8858920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 23587200

約数和(自身を除く): 14728280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1091, 1160, 1624, 2030, 2182, 4060, 4364, 5455, 7637, 8120, 8728, 10910, 15274, 21820, 30548, 31639, 38185, 43640, 61096, 63278, 76370, 126556, 152740, 158195, 221473, 253112, 305480, 316390, 442946, 632780, 885892, 1107365, 1265560, 1771784, 2214730, 4429460, 8858920]

約数ペア:

[(1, 8858920), (2, 4429460), (4, 2214730), (5, 1771784), (7, 1265560), (8, 1107365), (10, 885892), (14, 632780), (20, 442946), (28, 316390), (29, 305480), (35, 253112), (40, 221473), (56, 158195), (58, 152740), (70, 126556), (116, 76370), (140, 63278), (145, 61096), (203, 43640), (232, 38185), (280, 31639), (290, 30548), (406, 21820), (580, 15274), (812, 10910), (1015, 8728), (1091, 8120), (1160, 7637), (1624, 5455), (2030, 4364), (2182, 4060)]