26360720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 64162560

約数和(自身を除く): 37801840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 97, 158, 172, 194, 215, 316, 344, 388, 395, 430, 485, 632, 688, 776, 790, 860, 970, 1264, 1552, 1580, 1720, 1940, 3160, 3397, 3440, 3880, 4171, 6320, 6794, 7663, 7760, 8342, 13588, 15326, 16684, 16985, 20855, 27176, 30652, 33368, 33970, 38315, 41710, 54352, 61304, 66736, 67940, 76630, 83420, 122608, 135880, 153260, 166840, 271760, 306520, 329509, 333680, 613040, 659018, 1318036, 1647545, 2636072, 3295090, 5272144, 6590180, 13180360, 26360720]

約数ペア:

[(1, 26360720), (2, 13180360), (4, 6590180), (5, 5272144), (8, 3295090), (10, 2636072), (16, 1647545), (20, 1318036), (40, 659018), (43, 613040), (79, 333680), (80, 329509), (86, 306520), (97, 271760), (158, 166840), (172, 153260), (194, 135880), (215, 122608), (316, 83420), (344, 76630), (388, 67940), (395, 66736), (430, 61304), (485, 54352), (632, 41710), (688, 38315), (776, 33970), (790, 33368), (860, 30652), (970, 27176), (1264, 20855), (1552, 16985), (1580, 16684), (1720, 15326), (1940, 13588), (3160, 8342), (3397, 7760), (3440, 7663), (3880, 6794), (4171, 6320)]