79688860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 178022880

約数和(自身を除く): 98334020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 811, 1156, 1445, 1622, 2890, 3244, 4055, 4913, 5780, 8110, 9826, 13787, 16220, 19652, 24565, 27574, 49130, 55148, 68935, 98260, 137870, 234379, 275740, 468758, 937516, 1171895, 2343790, 3984443, 4687580, 7968886, 15937772, 19922215, 39844430, 79688860]

約数ペア:

[(1, 79688860), (2, 39844430), (4, 19922215), (5, 15937772), (10, 7968886), (17, 4687580), (20, 3984443), (34, 2343790), (68, 1171895), (85, 937516), (170, 468758), (289, 275740), (340, 234379), (578, 137870), (811, 98260), (1156, 68935), (1445, 55148), (1622, 49130), (2890, 27574), (3244, 24565), (4055, 19652), (4913, 16220), (5780, 13787), (8110, 9826)]