40541720

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3659}}^1$

素因数の和:3947

約数の個数: 32

約数和(自身を含む): 91573200

約数和(自身を除く): 51031480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 3659, 5540, 7318, 11080, 14636, 18295, 29272, 36590, 73180, 146360, 1013543, 2027086, 4054172, 5067715, 8108344, 10135430, 20270860, 40541720]

約数ペア:

[(1, 40541720), (2, 20270860), (4, 10135430), (5, 8108344), (8, 5067715), (10, 4054172), (20, 2027086), (40, 1013543), (277, 146360), (554, 73180), (1108, 36590), (1385, 29272), (2216, 18295), (2770, 14636), (3659, 11080), (5540, 7318)]