91445920

素因数分解:

$2^5\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1097}}^1$

素因数の和:1633

約数の個数: 48

約数和(自身を含む): 216652968

約数和(自身を除く): 125207048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 521, 1042, 1097, 2084, 2194, 2605, 4168, 4388, 5210, 5485, 8336, 8776, 10420, 10970, 16672, 17552, 20840, 21940, 35104, 41680, 43880, 83360, 87760, 175520, 571537, 1143074, 2286148, 2857685, 4572296, 5715370, 9144592, 11430740, 18289184, 22861480, 45722960, 91445920]

約数ペア:

[(1, 91445920), (2, 45722960), (4, 22861480), (5, 18289184), (8, 11430740), (10, 9144592), (16, 5715370), (20, 4572296), (32, 2857685), (40, 2286148), (80, 1143074), (160, 571537), (521, 175520), (1042, 87760), (1097, 83360), (2084, 43880), (2194, 41680), (2605, 35104), (4168, 21940), (4388, 20840), (5210, 17552), (5485, 16672), (8336, 10970), (8776, 10420)]