80867515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 106920000

約数和(自身を除く): 26052485

約数列:

[1, 5, 19, 29, 95, 145, 149, 197, 551, 745, 985, 2755, 2831, 3743, 4321, 5713, 14155, 18715, 21605, 28565, 29353, 82099, 108547, 146765, 410495, 542735, 557707, 851237, 2788535, 4256185, 16173503, 80867515]

約数ペア:

[(1, 80867515), (5, 16173503), (19, 4256185), (29, 2788535), (95, 851237), (145, 557707), (149, 542735), (197, 410495), (551, 146765), (745, 108547), (985, 82099), (2755, 29353), (2831, 28565), (3743, 21605), (4321, 18715), (5713, 14155)]