2051242120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{36551}}^1$

素因数の和:36646

約数の個数: 64

約数和(自身を含む): 4895043840

約数和(自身を除く): 2843801720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 2440, 2806, 5612, 7015, 11224, 14030, 28060, 36551, 56120, 73102, 146204, 182755, 292408, 365510, 731020, 840673, 1462040, 1681346, 2229611, 3362692, 4203365, 4459222, 6725384, 8406730, 8918444, 11148055, 16813460, 17836888, 22296110, 33626920, 44592220, 51281053, 89184440, 102562106, 205124212, 256405265, 410248424, 512810530, 1025621060, 2051242120]

約数ペア:

[(1, 2051242120), (2, 1025621060), (4, 512810530), (5, 410248424), (8, 256405265), (10, 205124212), (20, 102562106), (23, 89184440), (40, 51281053), (46, 44592220), (61, 33626920), (92, 22296110), (115, 17836888), (122, 16813460), (184, 11148055), (230, 8918444), (244, 8406730), (305, 6725384), (460, 4459222), (488, 4203365), (610, 3362692), (920, 2229611), (1220, 1681346), (1403, 1462040), (2440, 840673), (2806, 731020), (5612, 365510), (7015, 292408), (11224, 182755), (14030, 146204), (28060, 73102), (36551, 56120)]