52721440

素因数分解:

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

素因数の和:234

約数の個数: 96

約数和(自身を含む): 130394880

約数和(自身を除く): 77673440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 79, 80, 86, 97, 158, 160, 172, 194, 215, 316, 344, 388, 395, 430, 485, 632, 688, 776, 790, 860, 970, 1264, 1376, 1552, 1580, 1720, 1940, 2528, 3104, 3160, 3397, 3440, 3880, 4171, 6320, 6794, 6880, 7663, 7760, 8342, 12640, 13588, 15326, 15520, 16684, 16985, 20855, 27176, 30652, 33368, 33970, 38315, 41710, 54352, 61304, 66736, 67940, 76630, 83420, 108704, 122608, 133472, 135880, 153260, 166840, 245216, 271760, 306520, 329509, 333680, 543520, 613040, 659018, 667360, 1226080, 1318036, 1647545, 2636072, 3295090, 5272144, 6590180, 10544288, 13180360, 26360720, 52721440]

約数ペア:

[(1, 52721440), (2, 26360720), (4, 13180360), (5, 10544288), (8, 6590180), (10, 5272144), (16, 3295090), (20, 2636072), (32, 1647545), (40, 1318036), (43, 1226080), (79, 667360), (80, 659018), (86, 613040), (97, 543520), (158, 333680), (160, 329509), (172, 306520), (194, 271760), (215, 245216), (316, 166840), (344, 153260), (388, 135880), (395, 133472), (430, 122608), (485, 108704), (632, 83420), (688, 76630), (776, 67940), (790, 66736), (860, 61304), (970, 54352), (1264, 41710), (1376, 38315), (1552, 33970), (1580, 33368), (1720, 30652), (1940, 27176), (2528, 20855), (3104, 16985), (3160, 16684), (3397, 15520), (3440, 15326), (3880, 13588), (4171, 12640), (6320, 8342), (6794, 7760), (6880, 7663)]