25803940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 56109312

約数和(自身を除く): 30305372

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 283, 388, 470, 485, 566, 940, 970, 1132, 1415, 1940, 2830, 4559, 5660, 9118, 13301, 18236, 22795, 26602, 27451, 45590, 53204, 54902, 66505, 91180, 109804, 133010, 137255, 266020, 274510, 549020, 1290197, 2580394, 5160788, 6450985, 12901970, 25803940]

約数ペア:

[(1, 25803940), (2, 12901970), (4, 6450985), (5, 5160788), (10, 2580394), (20, 1290197), (47, 549020), (94, 274510), (97, 266020), (188, 137255), (194, 133010), (235, 109804), (283, 91180), (388, 66505), (470, 54902), (485, 53204), (566, 45590), (940, 27451), (970, 26602), (1132, 22795), (1415, 18236), (1940, 13301), (2830, 9118), (4559, 5660)]