25967280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 81003744

約数和(自身を除く): 55036464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 421, 514, 771, 842, 1028, 1263, 1285, 1542, 1684, 2056, 2105, 2526, 2570, 3084, 3368, 3855, 4112, 4210, 5052, 5140, 6168, 6315, 6736, 7710, 8420, 10104, 10280, 12336, 12630, 15420, 16840, 20208, 20560, 25260, 30840, 33680, 50520, 61680, 101040, 108197, 216394, 324591, 432788, 540985, 649182, 865576, 1081970, 1298364, 1622955, 1731152, 2163940, 2596728, 3245910, 4327880, 5193456, 6491820, 8655760, 12983640, 25967280]

約数ペア:

[(1, 25967280), (2, 12983640), (3, 8655760), (4, 6491820), (5, 5193456), (6, 4327880), (8, 3245910), (10, 2596728), (12, 2163940), (15, 1731152), (16, 1622955), (20, 1298364), (24, 1081970), (30, 865576), (40, 649182), (48, 540985), (60, 432788), (80, 324591), (120, 216394), (240, 108197), (257, 101040), (421, 61680), (514, 50520), (771, 33680), (842, 30840), (1028, 25260), (1263, 20560), (1285, 20208), (1542, 16840), (1684, 15420), (2056, 12630), (2105, 12336), (2526, 10280), (2570, 10104), (3084, 8420), (3368, 7710), (3855, 6736), (4112, 6315), (4210, 6168), (5052, 5140)]