80456980880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32442331}}^1$

素因数の和:32442375

約数の個数: 40

約数和(自身を含む): 193096760064

約数和(自身を除く): 112639779184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32442331, 64884662, 129769324, 162211655, 259538648, 324423310, 519077296, 648846620, 1005712261, 1297693240, 2011424522, 2595386480, 4022849044, 5028561305, 8045698088, 10057122610, 16091396176, 20114245220, 40228490440, 80456980880]

約数ペア:

[(1, 80456980880), (2, 40228490440), (4, 20114245220), (5, 16091396176), (8, 10057122610), (10, 8045698088), (16, 5028561305), (20, 4022849044), (31, 2595386480), (40, 2011424522), (62, 1297693240), (80, 1005712261), (124, 648846620), (155, 519077296), (248, 324423310), (310, 259538648), (496, 162211655), (620, 129769324), (1240, 64884662), (2480, 32442331)]