90461720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{72953}}^1$

素因数の和:72995

約数の個数: 32

約数和(自身を含む): 210107520

約数和(自身を除く): 119645800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 72953, 145906, 291812, 364765, 583624, 729530, 1459060, 2261543, 2918120, 4523086, 9046172, 11307715, 18092344, 22615430, 45230860, 90461720]

約数ペア:

[(1, 90461720), (2, 45230860), (4, 22615430), (5, 18092344), (8, 11307715), (10, 9046172), (20, 4523086), (31, 2918120), (40, 2261543), (62, 1459060), (124, 729530), (155, 583624), (248, 364765), (310, 291812), (620, 145906), (1240, 72953)]