85285960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 200217600

約数和(自身を除く): 114931640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 631, 872, 1090, 1240, 1262, 2180, 2524, 3155, 3379, 4360, 5048, 6310, 6758, 12620, 13516, 16895, 19561, 25240, 27032, 33790, 39122, 67580, 68779, 78244, 97805, 135160, 137558, 156488, 195610, 275116, 343895, 391220, 550232, 687790, 782440, 1375580, 2132149, 2751160, 4264298, 8528596, 10660745, 17057192, 21321490, 42642980, 85285960]

約数ペア:

[(1, 85285960), (2, 42642980), (4, 21321490), (5, 17057192), (8, 10660745), (10, 8528596), (20, 4264298), (31, 2751160), (40, 2132149), (62, 1375580), (109, 782440), (124, 687790), (155, 550232), (218, 391220), (248, 343895), (310, 275116), (436, 195610), (545, 156488), (620, 137558), (631, 135160), (872, 97805), (1090, 78244), (1240, 68779), (1262, 67580), (2180, 39122), (2524, 33790), (3155, 27032), (3379, 25240), (4360, 19561), (5048, 16895), (6310, 13516), (6758, 12620)]