25553790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{569}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 66690000

約数和(自身を除く): 41136210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 499, 569, 998, 1138, 1497, 1707, 2495, 2845, 2994, 3414, 4491, 4990, 5121, 5690, 7485, 8535, 8982, 10242, 14970, 17070, 22455, 25605, 44910, 51210, 283931, 567862, 851793, 1419655, 1703586, 2555379, 2839310, 4258965, 5110758, 8517930, 12776895, 25553790]

約数ペア:

[(1, 25553790), (2, 12776895), (3, 8517930), (5, 5110758), (6, 4258965), (9, 2839310), (10, 2555379), (15, 1703586), (18, 1419655), (30, 851793), (45, 567862), (90, 283931), (499, 51210), (569, 44910), (998, 25605), (1138, 22455), (1497, 17070), (1707, 14970), (2495, 10242), (2845, 8982), (2994, 8535), (3414, 7485), (4491, 5690), (4990, 5121)]