12531740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 28614432

約数和(自身を除く): 16082692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 307, 314, 614, 628, 785, 1228, 1535, 1570, 2041, 3070, 3140, 3991, 4082, 6140, 7982, 8164, 10205, 15964, 19955, 20410, 39910, 40820, 48199, 79820, 96398, 192796, 240995, 481990, 626587, 963980, 1253174, 2506348, 3132935, 6265870, 12531740]

約数ペア:

[(1, 12531740), (2, 6265870), (4, 3132935), (5, 2506348), (10, 1253174), (13, 963980), (20, 626587), (26, 481990), (52, 240995), (65, 192796), (130, 96398), (157, 79820), (260, 48199), (307, 40820), (314, 39910), (614, 20410), (628, 19955), (785, 15964), (1228, 10205), (1535, 8164), (1570, 7982), (2041, 6140), (3070, 4082), (3140, 3991)]