80066440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48821}}^1$

素因数の和:48873

約数の個数: 32

約数和(自身を含む): 184547160

約数和(自身を除く): 104480720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48821, 97642, 195284, 244105, 390568, 488210, 976420, 1952840, 2001661, 4003322, 8006644, 10008305, 16013288, 20016610, 40033220, 80066440]

約数ペア:

[(1, 80066440), (2, 40033220), (4, 20016610), (5, 16013288), (8, 10008305), (10, 8006644), (20, 4003322), (40, 2001661), (41, 1952840), (82, 976420), (164, 488210), (205, 390568), (328, 244105), (410, 195284), (820, 97642), (1640, 48821)]