25411600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 67047048

約数和(自身を除く): 41635448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 37, 40, 50, 68, 74, 80, 85, 100, 101, 136, 148, 170, 185, 200, 202, 272, 296, 340, 370, 400, 404, 425, 505, 592, 629, 680, 740, 808, 850, 925, 1010, 1258, 1360, 1480, 1616, 1700, 1717, 1850, 2020, 2516, 2525, 2960, 3145, 3400, 3434, 3700, 3737, 4040, 5032, 5050, 6290, 6800, 6868, 7400, 7474, 8080, 8585, 10064, 10100, 12580, 13736, 14800, 14948, 15725, 17170, 18685, 20200, 25160, 27472, 29896, 31450, 34340, 37370, 40400, 42925, 50320, 59792, 62900, 63529, 68680, 74740, 85850, 93425, 125800, 127058, 137360, 149480, 171700, 186850, 251600, 254116, 298960, 317645, 343400, 373700, 508232, 635290, 686800, 747400, 1016464, 1270580, 1494800, 1588225, 2541160, 3176450, 5082320, 6352900, 12705800, 25411600]

約数ペア:

[(1, 25411600), (2, 12705800), (4, 6352900), (5, 5082320), (8, 3176450), (10, 2541160), (16, 1588225), (17, 1494800), (20, 1270580), (25, 1016464), (34, 747400), (37, 686800), (40, 635290), (50, 508232), (68, 373700), (74, 343400), (80, 317645), (85, 298960), (100, 254116), (101, 251600), (136, 186850), (148, 171700), (170, 149480), (185, 137360), (200, 127058), (202, 125800), (272, 93425), (296, 85850), (340, 74740), (370, 68680), (400, 63529), (404, 62900), (425, 59792), (505, 50320), (592, 42925), (629, 40400), (680, 37370), (740, 34340), (808, 31450), (850, 29896), (925, 27472), (1010, 25160), (1258, 20200), (1360, 18685), (1480, 17170), (1616, 15725), (1700, 14948), (1717, 14800), (1850, 13736), (2020, 12580), (2516, 10100), (2525, 10064), (2960, 8585), (3145, 8080), (3400, 7474), (3434, 7400), (3700, 6868), (3737, 6800), (4040, 6290), (5032, 5050)]