12990860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 29417472

約数和(自身を除く): 16426612

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 911, 1426, 1822, 2852, 3565, 3644, 4555, 7130, 9110, 14260, 18220, 20953, 28241, 41906, 56482, 83812, 104765, 112964, 141205, 209530, 282410, 419060, 564820, 649543, 1299086, 2598172, 3247715, 6495430, 12990860]

約数ペア:

[(1, 12990860), (2, 6495430), (4, 3247715), (5, 2598172), (10, 1299086), (20, 649543), (23, 564820), (31, 419060), (46, 282410), (62, 209530), (92, 141205), (115, 112964), (124, 104765), (155, 83812), (230, 56482), (310, 41906), (460, 28241), (620, 20953), (713, 18220), (911, 14260), (1426, 9110), (1822, 7130), (2852, 4555), (3565, 3644)]