38907984680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1\times {\mathrm{10831}}^1$

素因数の和:13770

約数の個数: 64

約数和(自身を含む): 90406471680

約数和(自身を除く): 51498487000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2897, 5794, 10831, 11588, 14485, 21662, 23176, 28970, 43324, 54155, 57940, 86648, 89807, 108310, 115880, 179614, 216620, 335761, 359228, 433240, 449035, 671522, 718456, 898070, 1343044, 1678805, 1796140, 2686088, 3357610, 3592280, 6715220, 13430440, 31377407, 62754814, 125509628, 156887035, 251019256, 313774070, 627548140, 972699617, 1255096280, 1945399234, 3890798468, 4863498085, 7781596936, 9726996170, 19453992340, 38907984680]

約数ペア:

[(1, 38907984680), (2, 19453992340), (4, 9726996170), (5, 7781596936), (8, 4863498085), (10, 3890798468), (20, 1945399234), (31, 1255096280), (40, 972699617), (62, 627548140), (124, 313774070), (155, 251019256), (248, 156887035), (310, 125509628), (620, 62754814), (1240, 31377407), (2897, 13430440), (5794, 6715220), (10831, 3592280), (11588, 3357610), (14485, 2686088), (21662, 1796140), (23176, 1678805), (28970, 1343044), (43324, 898070), (54155, 718456), (57940, 671522), (86648, 449035), (89807, 433240), (108310, 359228), (115880, 335761), (179614, 216620)]