51765040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20873}}^1$

素因数の和:20917

約数の個数: 40

約数和(自身を含む): 124242048

約数和(自身を除く): 72477008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20873, 41746, 83492, 104365, 166984, 208730, 333968, 417460, 647063, 834920, 1294126, 1669840, 2588252, 3235315, 5176504, 6470630, 10353008, 12941260, 25882520, 51765040]

約数ペア:

[(1, 51765040), (2, 25882520), (4, 12941260), (5, 10353008), (8, 6470630), (10, 5176504), (16, 3235315), (20, 2588252), (31, 1669840), (40, 1294126), (62, 834920), (80, 647063), (124, 417460), (155, 333968), (248, 208730), (310, 166984), (496, 104365), (620, 83492), (1240, 41746), (2480, 20873)]