25420227820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{63611}}^1$

素因数の和:63715

約数の個数: 96

約数和(自身を含む): 60594246720

約数和(自身を除く): 35174018900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 53, 58, 65, 106, 116, 130, 145, 212, 260, 265, 290, 377, 530, 580, 689, 754, 1060, 1378, 1508, 1537, 1885, 2756, 3074, 3445, 3770, 6148, 6890, 7540, 7685, 13780, 15370, 19981, 30740, 39962, 63611, 79924, 99905, 127222, 199810, 254444, 318055, 399620, 636110, 826943, 1272220, 1653886, 1844719, 3307772, 3371383, 3689438, 4134715, 6742766, 7378876, 8269430, 9223595, 13485532, 16538860, 16856915, 18447190, 23981347, 33713830, 36894380, 43827979, 47962694, 67427660, 87655958, 95925388, 97770107, 119906735, 175311916, 195540214, 219139895, 239813470, 391080428, 438279790, 479626940, 488850535, 876559580, 977701070, 1271011391, 1955402140, 2542022782, 5084045564, 6355056955, 12710113910, 25420227820]

約数ペア:

[(1, 25420227820), (2, 12710113910), (4, 6355056955), (5, 5084045564), (10, 2542022782), (13, 1955402140), (20, 1271011391), (26, 977701070), (29, 876559580), (52, 488850535), (53, 479626940), (58, 438279790), (65, 391080428), (106, 239813470), (116, 219139895), (130, 195540214), (145, 175311916), (212, 119906735), (260, 97770107), (265, 95925388), (290, 87655958), (377, 67427660), (530, 47962694), (580, 43827979), (689, 36894380), (754, 33713830), (1060, 23981347), (1378, 18447190), (1508, 16856915), (1537, 16538860), (1885, 13485532), (2756, 9223595), (3074, 8269430), (3445, 7378876), (3770, 6742766), (6148, 4134715), (6890, 3689438), (7540, 3371383), (7685, 3307772), (13780, 1844719), (15370, 1653886), (19981, 1272220), (30740, 826943), (39962, 636110), (63611, 399620), (79924, 318055), (99905, 254444), (127222, 199810)]