80815760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32587}}^1$

素因数の和:32631

約数の個数: 40

約数和(自身を含む): 193963776

約数和(自身を除く): 113148016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 32587, 65174, 130348, 162935, 260696, 325870, 521392, 651740, 1010197, 1303480, 2020394, 2606960, 4040788, 5050985, 8081576, 10101970, 16163152, 20203940, 40407880, 80815760]

約数ペア:

[(1, 80815760), (2, 40407880), (4, 20203940), (5, 16163152), (8, 10101970), (10, 8081576), (16, 5050985), (20, 4040788), (31, 2606960), (40, 2020394), (62, 1303480), (80, 1010197), (124, 651740), (155, 521392), (248, 325870), (310, 260696), (496, 162935), (620, 130348), (1240, 65174), (2480, 32587)]