25286840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21799}}^1$

素因数の和:21839

約数の個数: 32

約数和(自身を含む): 58860000

約数和(自身を除く): 33573160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 21799, 43598, 87196, 108995, 174392, 217990, 435980, 632171, 871960, 1264342, 2528684, 3160855, 5057368, 6321710, 12643420, 25286840]

約数ペア:

[(1, 25286840), (2, 12643420), (4, 6321710), (5, 5057368), (8, 3160855), (10, 2528684), (20, 1264342), (29, 871960), (40, 632171), (58, 435980), (116, 217990), (145, 174392), (232, 108995), (290, 87196), (580, 43598), (1160, 21799)]