40782560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2836

約数の個数: 96

約数和(自身を含む): 118625472

約数和(自身を除く): 77842912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2801, 2912, 3640, 5602, 7280, 11204, 14005, 14560, 19607, 22408, 28010, 36413, 39214, 44816, 56020, 72826, 78428, 89632, 98035, 112040, 145652, 156856, 182065, 196070, 224080, 254891, 291304, 313712, 364130, 392140, 448160, 509782, 582608, 627424, 728260, 784280, 1019564, 1165216, 1274455, 1456520, 1568560, 2039128, 2548910, 2913040, 3137120, 4078256, 5097820, 5826080, 8156512, 10195640, 20391280, 40782560]

約数ペア:

[(1, 40782560), (2, 20391280), (4, 10195640), (5, 8156512), (7, 5826080), (8, 5097820), (10, 4078256), (13, 3137120), (14, 2913040), (16, 2548910), (20, 2039128), (26, 1568560), (28, 1456520), (32, 1274455), (35, 1165216), (40, 1019564), (52, 784280), (56, 728260), (65, 627424), (70, 582608), (80, 509782), (91, 448160), (104, 392140), (112, 364130), (130, 313712), (140, 291304), (160, 254891), (182, 224080), (208, 196070), (224, 182065), (260, 156856), (280, 145652), (364, 112040), (416, 98035), (455, 89632), (520, 78428), (560, 72826), (728, 56020), (910, 44816), (1040, 39214), (1120, 36413), (1456, 28010), (1820, 22408), (2080, 19607), (2801, 14560), (2912, 14005), (3640, 11204), (5602, 7280)]