64818580

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 139688640

約数和(自身を除く): 74870060

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 163, 236, 295, 326, 337, 590, 652, 674, 815, 1180, 1348, 1630, 1685, 3260, 3370, 6740, 9617, 19234, 19883, 38468, 39766, 48085, 54931, 79532, 96170, 99415, 109862, 192340, 198830, 219724, 274655, 397660, 549310, 1098620, 3240929, 6481858, 12963716, 16204645, 32409290, 64818580]

約数ペア:

[(1, 64818580), (2, 32409290), (4, 16204645), (5, 12963716), (10, 6481858), (20, 3240929), (59, 1098620), (118, 549310), (163, 397660), (236, 274655), (295, 219724), (326, 198830), (337, 192340), (590, 109862), (652, 99415), (674, 96170), (815, 79532), (1180, 54931), (1348, 48085), (1630, 39766), (1685, 38468), (3260, 19883), (3370, 19234), (6740, 9617)]