20512421200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{36551}}^1$

素因数の和:36653

約数の個数: 120

約数和(自身を含む): 52268190336

約数和(自身を除く): 31755769136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 61, 80, 92, 100, 115, 122, 184, 200, 230, 244, 305, 368, 400, 460, 488, 575, 610, 920, 976, 1150, 1220, 1403, 1525, 1840, 2300, 2440, 2806, 3050, 4600, 4880, 5612, 6100, 7015, 9200, 11224, 12200, 14030, 22448, 24400, 28060, 35075, 36551, 56120, 70150, 73102, 112240, 140300, 146204, 182755, 280600, 292408, 365510, 561200, 584816, 731020, 840673, 913775, 1462040, 1681346, 1827550, 2229611, 2924080, 3362692, 3655100, 4203365, 4459222, 6725384, 7310200, 8406730, 8918444, 11148055, 13450768, 14620400, 16813460, 17836888, 21016825, 22296110, 33626920, 35673776, 42033650, 44592220, 51281053, 55740275, 67253840, 84067300, 89184440, 102562106, 111480550, 168134600, 178368880, 205124212, 222961100, 256405265, 336269200, 410248424, 445922200, 512810530, 820496848, 891844400, 1025621060, 1282026325, 2051242120, 2564052650, 4102484240, 5128105300, 10256210600, 20512421200]

約数ペア:

[(1, 20512421200), (2, 10256210600), (4, 5128105300), (5, 4102484240), (8, 2564052650), (10, 2051242120), (16, 1282026325), (20, 1025621060), (23, 891844400), (25, 820496848), (40, 512810530), (46, 445922200), (50, 410248424), (61, 336269200), (80, 256405265), (92, 222961100), (100, 205124212), (115, 178368880), (122, 168134600), (184, 111480550), (200, 102562106), (230, 89184440), (244, 84067300), (305, 67253840), (368, 55740275), (400, 51281053), (460, 44592220), (488, 42033650), (575, 35673776), (610, 33626920), (920, 22296110), (976, 21016825), (1150, 17836888), (1220, 16813460), (1403, 14620400), (1525, 13450768), (1840, 11148055), (2300, 8918444), (2440, 8406730), (2806, 7310200), (3050, 6725384), (4600, 4459222), (4880, 4203365), (5612, 3655100), (6100, 3362692), (7015, 2924080), (9200, 2229611), (11224, 1827550), (12200, 1681346), (14030, 1462040), (22448, 913775), (24400, 840673), (28060, 731020), (35075, 584816), (36551, 561200), (56120, 365510), (70150, 292408), (73102, 280600), (112240, 182755), (140300, 146204)]