25189780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1487}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 66495744

約数和(自身を除く): 41305964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1487, 1540, 1694, 2420, 2974, 3388, 4235, 5948, 7435, 8470, 10409, 14870, 16357, 16940, 20818, 29740, 32714, 41636, 52045, 65428, 81785, 104090, 114499, 163570, 179927, 208180, 228998, 327140, 359854, 457996, 572495, 719708, 899635, 1144990, 1259489, 1799270, 2289980, 2518978, 3598540, 5037956, 6297445, 12594890, 25189780]

約数ペア:

[(1, 25189780), (2, 12594890), (4, 6297445), (5, 5037956), (7, 3598540), (10, 2518978), (11, 2289980), (14, 1799270), (20, 1259489), (22, 1144990), (28, 899635), (35, 719708), (44, 572495), (55, 457996), (70, 359854), (77, 327140), (110, 228998), (121, 208180), (140, 179927), (154, 163570), (220, 114499), (242, 104090), (308, 81785), (385, 65428), (484, 52045), (605, 41636), (770, 32714), (847, 29740), (1210, 20818), (1487, 16940), (1540, 16357), (1694, 14870), (2420, 10409), (2974, 8470), (3388, 7435), (4235, 5948)]