65375440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62861}}^1$

素因数の和:62887

約数の個数: 40

約数和(自身を含む): 163692648

約数和(自身を除く): 98317208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62861, 125722, 251444, 314305, 502888, 628610, 817193, 1005776, 1257220, 1634386, 2514440, 3268772, 4085965, 5028880, 6537544, 8171930, 13075088, 16343860, 32687720, 65375440]

約数ペア:

[(1, 65375440), (2, 32687720), (4, 16343860), (5, 13075088), (8, 8171930), (10, 6537544), (13, 5028880), (16, 4085965), (20, 3268772), (26, 2514440), (40, 1634386), (52, 1257220), (65, 1005776), (80, 817193), (104, 628610), (130, 502888), (208, 314305), (260, 251444), (520, 125722), (1040, 62861)]