655367960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1260323}}^1$

素因数の和:1260347

約数の個数: 32

約数和(自身を含む): 1588008240

約数和(自身を除く): 932640280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1260323, 2520646, 5041292, 6301615, 10082584, 12603230, 16384199, 25206460, 32768398, 50412920, 65536796, 81920995, 131073592, 163841990, 327683980, 655367960]

約数ペア:

[(1, 655367960), (2, 327683980), (4, 163841990), (5, 131073592), (8, 81920995), (10, 65536796), (13, 50412920), (20, 32768398), (26, 25206460), (40, 16384199), (52, 12603230), (65, 10082584), (104, 6301615), (130, 5041292), (260, 2520646), (520, 1260323)]