25142860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 30014900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 379, 428, 535, 620, 758, 1070, 1516, 1895, 2140, 3317, 3790, 6634, 7580, 11749, 13268, 16585, 23498, 33170, 40553, 46996, 58745, 66340, 81106, 117490, 162212, 202765, 234980, 405530, 811060, 1257143, 2514286, 5028572, 6285715, 12571430, 25142860]

約数ペア:

[(1, 25142860), (2, 12571430), (4, 6285715), (5, 5028572), (10, 2514286), (20, 1257143), (31, 811060), (62, 405530), (107, 234980), (124, 202765), (155, 162212), (214, 117490), (310, 81106), (379, 66340), (428, 58745), (535, 46996), (620, 40553), (758, 33170), (1070, 23498), (1516, 16585), (1895, 13268), (2140, 11749), (3317, 7580), (3790, 6634)]