80817745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 108926208

約数和(自身を除く): 28108463

約数列:

[1, 5, 17, 23, 67, 85, 115, 335, 391, 617, 1139, 1541, 1955, 3085, 5695, 7705, 10489, 14191, 26197, 41339, 52445, 70955, 130985, 206695, 241247, 702763, 950797, 1206235, 3513815, 4753985, 16163549, 80817745]

約数ペア:

[(1, 80817745), (5, 16163549), (17, 4753985), (23, 3513815), (67, 1206235), (85, 950797), (115, 702763), (335, 241247), (391, 206695), (617, 130985), (1139, 70955), (1541, 52445), (1955, 41339), (3085, 26197), (5695, 14191), (7705, 10489)]