25663560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16451}}^1$

素因数の和:16478

約数の個数: 64

約数和(自身を含む): 82918080

約数和(自身を除く): 57254520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16451, 32902, 49353, 65804, 82255, 98706, 131608, 164510, 197412, 213863, 246765, 329020, 394824, 427726, 493530, 641589, 658040, 855452, 987060, 1069315, 1283178, 1710904, 1974120, 2138630, 2566356, 3207945, 4277260, 5132712, 6415890, 8554520, 12831780, 25663560]

約数ペア:

[(1, 25663560), (2, 12831780), (3, 8554520), (4, 6415890), (5, 5132712), (6, 4277260), (8, 3207945), (10, 2566356), (12, 2138630), (13, 1974120), (15, 1710904), (20, 1283178), (24, 1069315), (26, 987060), (30, 855452), (39, 658040), (40, 641589), (52, 493530), (60, 427726), (65, 394824), (78, 329020), (104, 246765), (120, 213863), (130, 197412), (156, 164510), (195, 131608), (260, 98706), (312, 82255), (390, 65804), (520, 49353), (780, 32902), (1560, 16451)]