80771120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32569}}^1$

素因数の和:32613

約数の個数: 40

約数和(自身を含む): 193856640

約数和(自身を除く): 113085520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32569, 65138, 130276, 162845, 260552, 325690, 521104, 651380, 1009639, 1302760, 2019278, 2605520, 4038556, 5048195, 8077112, 10096390, 16154224, 20192780, 40385560, 80771120]

約数ペア:

[(1, 80771120), (2, 40385560), (4, 20192780), (5, 16154224), (8, 10096390), (10, 8077112), (16, 5048195), (20, 4038556), (31, 2605520), (40, 2019278), (62, 1302760), (80, 1009639), (124, 651380), (155, 521104), (248, 325690), (310, 260552), (496, 162845), (620, 130276), (1240, 65138), (2480, 32569)]