40178840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77267}}^1$

素因数の和:77291

約数の個数: 32

約数和(自身を含む): 97357680

約数和(自身を除く): 57178840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77267, 154534, 309068, 386335, 618136, 772670, 1004471, 1545340, 2008942, 3090680, 4017884, 5022355, 8035768, 10044710, 20089420, 40178840]

約数ペア:

[(1, 40178840), (2, 20089420), (4, 10044710), (5, 8035768), (8, 5022355), (10, 4017884), (13, 3090680), (20, 2008942), (26, 1545340), (40, 1004471), (52, 772670), (65, 618136), (104, 386335), (130, 309068), (260, 154534), (520, 77267)]