8563750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 80

約数和(自身を含む): 18893952

約数和(自身を除く): 10330202

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 31, 34, 50, 62, 65, 85, 125, 130, 155, 170, 221, 250, 310, 325, 403, 425, 442, 527, 625, 650, 775, 806, 850, 1054, 1105, 1250, 1550, 1625, 2015, 2125, 2210, 2635, 3250, 3875, 4030, 4250, 5270, 5525, 6851, 7750, 8125, 10075, 10625, 11050, 13175, 13702, 16250, 19375, 20150, 21250, 26350, 27625, 34255, 38750, 50375, 55250, 65875, 68510, 100750, 131750, 138125, 171275, 251875, 276250, 329375, 342550, 503750, 658750, 856375, 1712750, 4281875, 8563750]

約数ペア:

[(1, 8563750), (2, 4281875), (5, 1712750), (10, 856375), (13, 658750), (17, 503750), (25, 342550), (26, 329375), (31, 276250), (34, 251875), (50, 171275), (62, 138125), (65, 131750), (85, 100750), (125, 68510), (130, 65875), (155, 55250), (170, 50375), (221, 38750), (250, 34255), (310, 27625), (325, 26350), (403, 21250), (425, 20150), (442, 19375), (527, 16250), (625, 13702), (650, 13175), (775, 11050), (806, 10625), (850, 10075), (1054, 8125), (1105, 7750), (1250, 6851), (1550, 5525), (1625, 5270), (2015, 4250), (2125, 4030), (2210, 3875), (2635, 3250)]