68480920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24113}}^1$

素因数の和:24195

約数の個数: 32

約数和(自身を含む): 156258720

約数和(自身を除く): 87777800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 24113, 48226, 96452, 120565, 192904, 241130, 482260, 964520, 1712023, 3424046, 6848092, 8560115, 13696184, 17120230, 34240460, 68480920]

約数ペア:

[(1, 68480920), (2, 34240460), (4, 17120230), (5, 13696184), (8, 8560115), (10, 6848092), (20, 3424046), (40, 1712023), (71, 964520), (142, 482260), (284, 241130), (355, 192904), (568, 120565), (710, 96452), (1420, 48226), (2840, 24113)]