80280080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32371}}^1$

素因数の和:32415

約数の個数: 40

約数和(自身を含む): 192678144

約数和(自身を除く): 112398064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32371, 64742, 129484, 161855, 258968, 323710, 517936, 647420, 1003501, 1294840, 2007002, 2589680, 4014004, 5017505, 8028008, 10035010, 16056016, 20070020, 40140040, 80280080]

約数ペア:

[(1, 80280080), (2, 40140040), (4, 20070020), (5, 16056016), (8, 10035010), (10, 8028008), (16, 5017505), (20, 4014004), (31, 2589680), (40, 2007002), (62, 1294840), (80, 1003501), (124, 647420), (155, 517936), (248, 323710), (310, 258968), (496, 161855), (620, 129484), (1240, 64742), (2480, 32371)]