13420000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 120

約数和(自身を含む): 36607032

約数和(自身を除く): 23187032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 61, 80, 88, 100, 110, 122, 125, 160, 176, 200, 220, 244, 250, 275, 305, 352, 400, 440, 488, 500, 550, 610, 625, 671, 800, 880, 976, 1000, 1100, 1220, 1250, 1342, 1375, 1525, 1760, 1952, 2000, 2200, 2440, 2500, 2684, 2750, 3050, 3355, 4000, 4400, 4880, 5000, 5368, 5500, 6100, 6710, 6875, 7625, 8800, 9760, 10000, 10736, 11000, 12200, 13420, 13750, 15250, 16775, 20000, 21472, 22000, 24400, 26840, 27500, 30500, 33550, 38125, 44000, 48800, 53680, 55000, 61000, 67100, 76250, 83875, 107360, 110000, 122000, 134200, 152500, 167750, 220000, 244000, 268400, 305000, 335500, 419375, 536800, 610000, 671000, 838750, 1220000, 1342000, 1677500, 2684000, 3355000, 6710000, 13420000]

約数ペア:

[(1, 13420000), (2, 6710000), (4, 3355000), (5, 2684000), (8, 1677500), (10, 1342000), (11, 1220000), (16, 838750), (20, 671000), (22, 610000), (25, 536800), (32, 419375), (40, 335500), (44, 305000), (50, 268400), (55, 244000), (61, 220000), (80, 167750), (88, 152500), (100, 134200), (110, 122000), (122, 110000), (125, 107360), (160, 83875), (176, 76250), (200, 67100), (220, 61000), (244, 55000), (250, 53680), (275, 48800), (305, 44000), (352, 38125), (400, 33550), (440, 30500), (488, 27500), (500, 26840), (550, 24400), (610, 22000), (625, 21472), (671, 20000), (800, 16775), (880, 15250), (976, 13750), (1000, 13420), (1100, 12200), (1220, 11000), (1250, 10736), (1342, 10000), (1375, 9760), (1525, 8800), (1760, 7625), (1952, 6875), (2000, 6710), (2200, 6100), (2440, 5500), (2500, 5368), (2684, 5000), (2750, 4880), (3050, 4400), (3355, 4000)]