25927880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 64298880

約数和(自身を除く): 38371000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 487, 605, 968, 974, 1210, 1331, 1948, 2420, 2435, 2662, 3896, 4840, 4870, 5324, 5357, 6655, 9740, 10648, 10714, 13310, 19480, 21428, 26620, 26785, 42856, 53240, 53570, 58927, 107140, 117854, 214280, 235708, 294635, 471416, 589270, 648197, 1178540, 1296394, 2357080, 2592788, 3240985, 5185576, 6481970, 12963940, 25927880]

約数ペア:

[(1, 25927880), (2, 12963940), (4, 6481970), (5, 5185576), (8, 3240985), (10, 2592788), (11, 2357080), (20, 1296394), (22, 1178540), (40, 648197), (44, 589270), (55, 471416), (88, 294635), (110, 235708), (121, 214280), (220, 117854), (242, 107140), (440, 58927), (484, 53570), (487, 53240), (605, 42856), (968, 26785), (974, 26620), (1210, 21428), (1331, 19480), (1948, 13310), (2420, 10714), (2435, 10648), (2662, 9740), (3896, 6655), (4840, 5357), (4870, 5324)]