97688440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78781}}^1$

素因数の和:78823

約数の個数: 32

約数和(自身を含む): 226892160

約数和(自身を除く): 129203720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 78781, 157562, 315124, 393905, 630248, 787810, 1575620, 2442211, 3151240, 4884422, 9768844, 12211055, 19537688, 24422110, 48844220, 97688440]

約数ペア:

[(1, 97688440), (2, 48844220), (4, 24422110), (5, 19537688), (8, 12211055), (10, 9768844), (20, 4884422), (31, 3151240), (40, 2442211), (62, 1575620), (124, 787810), (155, 630248), (248, 393905), (310, 315124), (620, 157562), (1240, 78781)]