51607880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 120234240

約数和(自身を除く): 68626360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 97, 188, 194, 235, 283, 376, 388, 470, 485, 566, 776, 940, 970, 1132, 1415, 1880, 1940, 2264, 2830, 3880, 4559, 5660, 9118, 11320, 13301, 18236, 22795, 26602, 27451, 36472, 45590, 53204, 54902, 66505, 91180, 106408, 109804, 133010, 137255, 182360, 219608, 266020, 274510, 532040, 549020, 1098040, 1290197, 2580394, 5160788, 6450985, 10321576, 12901970, 25803940, 51607880]

約数ペア:

[(1, 51607880), (2, 25803940), (4, 12901970), (5, 10321576), (8, 6450985), (10, 5160788), (20, 2580394), (40, 1290197), (47, 1098040), (94, 549020), (97, 532040), (188, 274510), (194, 266020), (235, 219608), (283, 182360), (376, 137255), (388, 133010), (470, 109804), (485, 106408), (566, 91180), (776, 66505), (940, 54902), (970, 53204), (1132, 45590), (1415, 36472), (1880, 27451), (1940, 26602), (2264, 22795), (2830, 18236), (3880, 13301), (4559, 11320), (5660, 9118)]