40587664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2351}}^1$

素因数の和:2455

約数の個数: 40

約数和(自身を含む): 85744512

約数和(自身を除く): 45156848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 2351, 4316, 4702, 8632, 9404, 17264, 18808, 30563, 37616, 61126, 122252, 195133, 244504, 390266, 489008, 780532, 1561064, 2536729, 3122128, 5073458, 10146916, 20293832, 40587664]

約数ペア:

[(1, 40587664), (2, 20293832), (4, 10146916), (8, 5073458), (13, 3122128), (16, 2536729), (26, 1561064), (52, 780532), (83, 489008), (104, 390266), (166, 244504), (208, 195133), (332, 122252), (664, 61126), (1079, 37616), (1328, 30563), (2158, 18808), (2351, 17264), (4316, 9404), (4702, 8632)]