51319940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21563}}^1$

素因数の和:21596

約数の個数: 48

約数和(自身を含む): 130419072

約数和(自身を除く): 79099132

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 21563, 43126, 86252, 107815, 150941, 215630, 301882, 366571, 431260, 603764, 733142, 754705, 1466284, 1509410, 1832855, 2565997, 3018820, 3665710, 5131994, 7331420, 10263988, 12829985, 25659970, 51319940]

約数ペア:

[(1, 51319940), (2, 25659970), (4, 12829985), (5, 10263988), (7, 7331420), (10, 5131994), (14, 3665710), (17, 3018820), (20, 2565997), (28, 1832855), (34, 1509410), (35, 1466284), (68, 754705), (70, 733142), (85, 603764), (119, 431260), (140, 366571), (170, 301882), (238, 215630), (340, 150941), (476, 107815), (595, 86252), (1190, 43126), (2380, 21563)]