51125100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13109}}^1$

素因数の和:13139

約数の個数: 72

約数和(自身を含む): 159312720

約数和(自身を除く): 108187620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 13109, 26218, 39327, 52436, 65545, 78654, 131090, 157308, 170417, 196635, 262180, 327725, 340834, 393270, 511251, 655450, 681668, 786540, 852085, 983175, 1022502, 1310900, 1704170, 1966350, 2045004, 2556255, 3408340, 3932700, 4260425, 5112510, 8520850, 10225020, 12781275, 17041700, 25562550, 51125100]

約数ペア:

[(1, 51125100), (2, 25562550), (3, 17041700), (4, 12781275), (5, 10225020), (6, 8520850), (10, 5112510), (12, 4260425), (13, 3932700), (15, 3408340), (20, 2556255), (25, 2045004), (26, 1966350), (30, 1704170), (39, 1310900), (50, 1022502), (52, 983175), (60, 852085), (65, 786540), (75, 681668), (78, 655450), (100, 511251), (130, 393270), (150, 340834), (156, 327725), (195, 262180), (260, 196635), (300, 170417), (325, 157308), (390, 131090), (650, 78654), (780, 65545), (975, 52436), (1300, 39327), (1950, 26218), (3900, 13109)]