205121324840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3251}}^1\times {\mathrm{12041}}^1$

素因数の和:15434

約数の個数: 64

約数和(自身を含む): 465227737920

約数和(自身を除く): 260106413080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3251, 5240, 6502, 12041, 13004, 16255, 24082, 26008, 32510, 48164, 60205, 65020, 96328, 120410, 130040, 240820, 425881, 481640, 851762, 1577371, 1703524, 2129405, 3154742, 3407048, 4258810, 6309484, 7886855, 8517620, 12618968, 15773710, 17035240, 31547420, 39145291, 63094840, 78290582, 156581164, 195726455, 313162328, 391452910, 782905820, 1565811640, 5128033121, 10256066242, 20512132484, 25640165605, 41024264968, 51280331210, 102560662420, 205121324840]

約数ペア:

[(1, 205121324840), (2, 102560662420), (4, 51280331210), (5, 41024264968), (8, 25640165605), (10, 20512132484), (20, 10256066242), (40, 5128033121), (131, 1565811640), (262, 782905820), (524, 391452910), (655, 313162328), (1048, 195726455), (1310, 156581164), (2620, 78290582), (3251, 63094840), (5240, 39145291), (6502, 31547420), (12041, 17035240), (13004, 15773710), (16255, 12618968), (24082, 8517620), (26008, 7886855), (32510, 6309484), (48164, 4258810), (60205, 3407048), (65020, 3154742), (96328, 2129405), (120410, 1703524), (130040, 1577371), (240820, 851762), (425881, 481640)]