71828840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{48533}}^1$

素因数の和:48581

約数の個数: 32

約数和(自身を含む): 165986280

約数和(自身を除く): 94157440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 48533, 97066, 194132, 242665, 388264, 485330, 970660, 1795721, 1941320, 3591442, 7182884, 8978605, 14365768, 17957210, 35914420, 71828840]

約数ペア:

[(1, 71828840), (2, 35914420), (4, 17957210), (5, 14365768), (8, 8978605), (10, 7182884), (20, 3591442), (37, 1941320), (40, 1795721), (74, 970660), (148, 485330), (185, 388264), (296, 242665), (370, 194132), (740, 97066), (1480, 48533)]