16618804540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1\times {\mathrm{43159}}^1$

素因数の和:44662

約数の個数: 48

約数和(自身を含む): 37610314560

約数和(自身を除く): 20991510020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1481, 2962, 5924, 7405, 14810, 19253, 29620, 38506, 43159, 77012, 86318, 96265, 172636, 192530, 215795, 385060, 431590, 561067, 863180, 1122134, 2244268, 2805335, 5610670, 11221340, 63918479, 127836958, 255673916, 319592395, 639184790, 830940227, 1278369580, 1661880454, 3323760908, 4154701135, 8309402270, 16618804540]

約数ペア:

[(1, 16618804540), (2, 8309402270), (4, 4154701135), (5, 3323760908), (10, 1661880454), (13, 1278369580), (20, 830940227), (26, 639184790), (52, 319592395), (65, 255673916), (130, 127836958), (260, 63918479), (1481, 11221340), (2962, 5610670), (5924, 2805335), (7405, 2244268), (14810, 1122134), (19253, 863180), (29620, 561067), (38506, 431590), (43159, 385060), (77012, 215795), (86318, 192530), (96265, 172636)]