25639840

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1045

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 35324000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 839, 955, 1528, 1678, 1910, 3056, 3356, 3820, 4195, 6112, 6712, 7640, 8390, 13424, 15280, 16780, 26848, 30560, 33560, 67120, 134240, 160249, 320498, 640996, 801245, 1281992, 1602490, 2563984, 3204980, 5127968, 6409960, 12819920, 25639840]

約数ペア:

[(1, 25639840), (2, 12819920), (4, 6409960), (5, 5127968), (8, 3204980), (10, 2563984), (16, 1602490), (20, 1281992), (32, 801245), (40, 640996), (80, 320498), (160, 160249), (191, 134240), (382, 67120), (764, 33560), (839, 30560), (955, 26848), (1528, 16780), (1678, 15280), (1910, 13424), (3056, 8390), (3356, 7640), (3820, 6712), (4195, 6112)]