80475460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309521}}^1$

素因数の和:309543

約数の個数: 24

約数和(自身を含む): 181998936

約数和(自身を除く): 101523476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 309521, 619042, 1238084, 1547605, 3095210, 4023773, 6190420, 8047546, 16095092, 20118865, 40237730, 80475460]

約数ペア:

[(1, 80475460), (2, 40237730), (4, 20118865), (5, 16095092), (10, 8047546), (13, 6190420), (20, 4023773), (26, 3095210), (52, 1547605), (65, 1238084), (130, 619042), (260, 309521)]