66986660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8311}}^1$

素因数の和:8364

約数の個数: 48

約数和(自身を含む): 156398592

約数和(自身を除く): 89411932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8311, 16622, 33244, 41555, 83110, 108043, 166220, 216086, 257641, 432172, 515282, 540215, 1030564, 1080430, 1288205, 2160860, 2576410, 3349333, 5152820, 6698666, 13397332, 16746665, 33493330, 66986660]

約数ペア:

[(1, 66986660), (2, 33493330), (4, 16746665), (5, 13397332), (10, 6698666), (13, 5152820), (20, 3349333), (26, 2576410), (31, 2160860), (52, 1288205), (62, 1080430), (65, 1030564), (124, 540215), (130, 515282), (155, 432172), (260, 257641), (310, 216086), (403, 166220), (620, 108043), (806, 83110), (1612, 41555), (2015, 33244), (4030, 16622), (8060, 8311)]