40284920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77471}}^1$

素因数の和:77495

約数の個数: 32

約数和(自身を含む): 97614720

約数和(自身を除く): 57329800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77471, 154942, 309884, 387355, 619768, 774710, 1007123, 1549420, 2014246, 3098840, 4028492, 5035615, 8056984, 10071230, 20142460, 40284920]

約数ペア:

[(1, 40284920), (2, 20142460), (4, 10071230), (5, 8056984), (8, 5035615), (10, 4028492), (13, 3098840), (20, 2014246), (26, 1549420), (40, 1007123), (52, 774710), (65, 619768), (104, 387355), (130, 309884), (260, 154942), (520, 77471)]