8091580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 20099520

約数和(自身を除く): 12007940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 1993, 2030, 3986, 4060, 7972, 9965, 13951, 19930, 27902, 39860, 55804, 57797, 69755, 115594, 139510, 231188, 279020, 288985, 404579, 577970, 809158, 1155940, 1618316, 2022895, 4045790, 8091580]

約数ペア:

[(1, 8091580), (2, 4045790), (4, 2022895), (5, 1618316), (7, 1155940), (10, 809158), (14, 577970), (20, 404579), (28, 288985), (29, 279020), (35, 231188), (58, 139510), (70, 115594), (116, 69755), (140, 57797), (145, 55804), (203, 39860), (290, 27902), (406, 19930), (580, 13951), (812, 9965), (1015, 7972), (1993, 4060), (2030, 3986)]