128329958480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51745951}}^1$

素因数の和:51745995

約数の個数: 40

約数和(自身を含む): 307991906304

約数和(自身を除く): 179661947824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 51745951, 103491902, 206983804, 258729755, 413967608, 517459510, 827935216, 1034919020, 1604124481, 2069838040, 3208248962, 4139676080, 6416497924, 8020622405, 12832995848, 16041244810, 25665991696, 32082489620, 64164979240, 128329958480]

約数ペア:

[(1, 128329958480), (2, 64164979240), (4, 32082489620), (5, 25665991696), (8, 16041244810), (10, 12832995848), (16, 8020622405), (20, 6416497924), (31, 4139676080), (40, 3208248962), (62, 2069838040), (80, 1604124481), (124, 1034919020), (155, 827935216), (248, 517459510), (310, 413967608), (496, 258729755), (620, 206983804), (1240, 103491902), (2480, 51745951)]