25824680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 66960000

約数和(自身を除く): 41135320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 619, 745, 1043, 1192, 1238, 1490, 2086, 2476, 2980, 3095, 4172, 4333, 4952, 5215, 5960, 6190, 8344, 8666, 10430, 12380, 17332, 20860, 21665, 24760, 34664, 41720, 43330, 86660, 92231, 173320, 184462, 368924, 461155, 645617, 737848, 922310, 1291234, 1844620, 2582468, 3228085, 3689240, 5164936, 6456170, 12912340, 25824680]

約数ペア:

[(1, 25824680), (2, 12912340), (4, 6456170), (5, 5164936), (7, 3689240), (8, 3228085), (10, 2582468), (14, 1844620), (20, 1291234), (28, 922310), (35, 737848), (40, 645617), (56, 461155), (70, 368924), (140, 184462), (149, 173320), (280, 92231), (298, 86660), (596, 43330), (619, 41720), (745, 34664), (1043, 24760), (1192, 21665), (1238, 20860), (1490, 17332), (2086, 12380), (2476, 10430), (2980, 8666), (3095, 8344), (4172, 6190), (4333, 5960), (4952, 5215)]