25581980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2978

約数の個数: 48

約数和(自身を含む): 59028480

約数和(自身を除く): 33446500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 2927, 4370, 5854, 8740, 11708, 14635, 29270, 55613, 58540, 67321, 111226, 134642, 222452, 269284, 278065, 336605, 556130, 673210, 1112260, 1279099, 1346420, 2558198, 5116396, 6395495, 12790990, 25581980]

約数ペア:

[(1, 25581980), (2, 12790990), (4, 6395495), (5, 5116396), (10, 2558198), (19, 1346420), (20, 1279099), (23, 1112260), (38, 673210), (46, 556130), (76, 336605), (92, 278065), (95, 269284), (115, 222452), (190, 134642), (230, 111226), (380, 67321), (437, 58540), (460, 55613), (874, 29270), (1748, 14635), (2185, 11708), (2927, 8740), (4370, 5854)]