66463280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63907}}^1$

素因数の和:63933

約数の個数: 40

約数和(自身を含む): 166416432

約数和(自身を除く): 99953152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63907, 127814, 255628, 319535, 511256, 639070, 830791, 1022512, 1278140, 1661582, 2556280, 3323164, 4153955, 5112560, 6646328, 8307910, 13292656, 16615820, 33231640, 66463280]

約数ペア:

[(1, 66463280), (2, 33231640), (4, 16615820), (5, 13292656), (8, 8307910), (10, 6646328), (13, 5112560), (16, 4153955), (20, 3323164), (26, 2556280), (40, 1661582), (52, 1278140), (65, 1022512), (80, 830791), (104, 639070), (130, 511256), (208, 319535), (260, 255628), (520, 127814), (1040, 63907)]