25334643460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1979}}^1\times {\mathrm{13063}}^1$

素因数の和:15065

約数の個数: 72

約数和(自身を含む): 61924927680

約数和(自身を除く): 36590284220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1979, 3958, 7916, 9895, 13063, 13853, 19790, 26126, 27706, 39580, 52252, 55412, 65315, 69265, 91441, 96971, 130630, 138530, 182882, 193942, 261260, 277060, 365764, 387884, 457205, 484855, 640087, 914410, 969710, 1280174, 1828820, 1939420, 2560348, 3200435, 6400870, 12801740, 25851677, 51703354, 103406708, 129258385, 180961739, 258516770, 361923478, 517033540, 723846956, 904808695, 1266732173, 1809617390, 2533464346, 3619234780, 5066928692, 6333660865, 12667321730, 25334643460]

約数ペア:

[(1, 25334643460), (2, 12667321730), (4, 6333660865), (5, 5066928692), (7, 3619234780), (10, 2533464346), (14, 1809617390), (20, 1266732173), (28, 904808695), (35, 723846956), (49, 517033540), (70, 361923478), (98, 258516770), (140, 180961739), (196, 129258385), (245, 103406708), (490, 51703354), (980, 25851677), (1979, 12801740), (3958, 6400870), (7916, 3200435), (9895, 2560348), (13063, 1939420), (13853, 1828820), (19790, 1280174), (26126, 969710), (27706, 914410), (39580, 640087), (52252, 484855), (55412, 457205), (65315, 387884), (69265, 365764), (91441, 277060), (96971, 261260), (130630, 193942), (138530, 182882)]