80498943460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309611321}}^1$

素因数の和:309611343

約数の個数: 24

約数和(自身を含む): 182051457336

約数和(自身を除く): 101552513876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 309611321, 619222642, 1238445284, 1548056605, 3096113210, 4024947173, 6192226420, 8049894346, 16099788692, 20124735865, 40249471730, 80498943460]

約数ペア:

[(1, 80498943460), (2, 40249471730), (4, 20124735865), (5, 16099788692), (10, 8049894346), (13, 6192226420), (20, 4024947173), (26, 3096113210), (52, 1548056605), (65, 1238445284), (130, 619222642), (260, 309611321)]