8490040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 21319200

約数和(自身を除く): 12829160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 563, 580, 754, 1126, 1160, 1508, 1885, 2252, 2815, 3016, 3770, 4504, 5630, 7319, 7540, 11260, 14638, 15080, 16327, 22520, 29276, 32654, 36595, 58552, 65308, 73190, 81635, 130616, 146380, 163270, 212251, 292760, 326540, 424502, 653080, 849004, 1061255, 1698008, 2122510, 4245020, 8490040]

約数ペア:

[(1, 8490040), (2, 4245020), (4, 2122510), (5, 1698008), (8, 1061255), (10, 849004), (13, 653080), (20, 424502), (26, 326540), (29, 292760), (40, 212251), (52, 163270), (58, 146380), (65, 130616), (104, 81635), (116, 73190), (130, 65308), (145, 58552), (232, 36595), (260, 32654), (290, 29276), (377, 22520), (520, 16327), (563, 15080), (580, 14638), (754, 11260), (1126, 7540), (1160, 7319), (1508, 5630), (1885, 4504), (2252, 3770), (2815, 3016)]