57678920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110921}}^1$

素因数の和:110945

約数の個数: 32

約数和(自身を含む): 139761720

約数和(自身を除く): 82082800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 110921, 221842, 443684, 554605, 887368, 1109210, 1441973, 2218420, 2883946, 4436840, 5767892, 7209865, 11535784, 14419730, 28839460, 57678920]

約数ペア:

[(1, 57678920), (2, 28839460), (4, 14419730), (5, 11535784), (8, 7209865), (10, 5767892), (13, 4436840), (20, 2883946), (26, 2218420), (40, 1441973), (52, 1109210), (65, 887368), (104, 554605), (130, 443684), (260, 221842), (520, 110921)]