1011312920

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{13513}}^1$

素因数の和:15395

約数の個数: 32

約数和(自身を含む): 2276838720

約数和(自身を除く): 1265525800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3742, 7484, 9355, 13513, 14968, 18710, 27026, 37420, 54052, 67565, 74840, 108104, 135130, 270260, 540520, 25282823, 50565646, 101131292, 126414115, 202262584, 252828230, 505656460, 1011312920]

約数ペア:

[(1, 1011312920), (2, 505656460), (4, 252828230), (5, 202262584), (8, 126414115), (10, 101131292), (20, 50565646), (40, 25282823), (1871, 540520), (3742, 270260), (7484, 135130), (9355, 108104), (13513, 74840), (14968, 67565), (18710, 54052), (27026, 37420)]