25146640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5153}}^1$

素因数の和:5227

約数の個数: 40

約数和(自身を含む): 59435928

約数和(自身を除く): 34289288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5153, 10306, 20612, 25765, 41224, 51530, 82448, 103060, 206120, 314333, 412240, 628666, 1257332, 1571665, 2514664, 3143330, 5029328, 6286660, 12573320, 25146640]

約数ペア:

[(1, 25146640), (2, 12573320), (4, 6286660), (5, 5029328), (8, 3143330), (10, 2514664), (16, 1571665), (20, 1257332), (40, 628666), (61, 412240), (80, 314333), (122, 206120), (244, 103060), (305, 82448), (488, 51530), (610, 41224), (976, 25765), (1220, 20612), (2440, 10306), (4880, 5153)]