18025240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 43092000

約数和(自身を除く): 25066760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 379, 410, 580, 758, 820, 1160, 1189, 1516, 1640, 1895, 2378, 3032, 3790, 4756, 5945, 7580, 9512, 10991, 11890, 15160, 15539, 21982, 23780, 31078, 43964, 47560, 54955, 62156, 77695, 87928, 109910, 124312, 155390, 219820, 310780, 439640, 450631, 621560, 901262, 1802524, 2253155, 3605048, 4506310, 9012620, 18025240]

約数ペア:

[(1, 18025240), (2, 9012620), (4, 4506310), (5, 3605048), (8, 2253155), (10, 1802524), (20, 901262), (29, 621560), (40, 450631), (41, 439640), (58, 310780), (82, 219820), (116, 155390), (145, 124312), (164, 109910), (205, 87928), (232, 77695), (290, 62156), (328, 54955), (379, 47560), (410, 43964), (580, 31078), (758, 23780), (820, 21982), (1160, 15539), (1189, 15160), (1516, 11890), (1640, 10991), (1895, 9512), (2378, 7580), (3032, 5945), (3790, 4756)]