201951880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388369}}^1$

素因数の和:388393

約数の個数: 32

約数和(自身を含む): 489346200

約数和(自身を除く): 287394320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388369, 776738, 1553476, 1941845, 3106952, 3883690, 5048797, 7767380, 10097594, 15534760, 20195188, 25243985, 40390376, 50487970, 100975940, 201951880]

約数ペア:

[(1, 201951880), (2, 100975940), (4, 50487970), (5, 40390376), (8, 25243985), (10, 20195188), (13, 15534760), (20, 10097594), (26, 7767380), (40, 5048797), (52, 3883690), (65, 3106952), (104, 1941845), (130, 1553476), (260, 776738), (520, 388369)]