51478280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1627}}^1$

素因数の和:1758

約数の個数: 64

約数和(自身を含む): 133626240

約数和(自身を除く): 82147960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 1627, 2260, 3164, 3254, 3955, 4520, 6328, 6508, 7910, 8135, 11389, 13016, 15820, 16270, 22778, 31640, 32540, 45556, 56945, 65080, 91112, 113890, 183851, 227780, 367702, 455560, 735404, 919255, 1286957, 1470808, 1838510, 2573914, 3677020, 5147828, 6434785, 7354040, 10295656, 12869570, 25739140, 51478280]

約数ペア:

[(1, 51478280), (2, 25739140), (4, 12869570), (5, 10295656), (7, 7354040), (8, 6434785), (10, 5147828), (14, 3677020), (20, 2573914), (28, 1838510), (35, 1470808), (40, 1286957), (56, 919255), (70, 735404), (113, 455560), (140, 367702), (226, 227780), (280, 183851), (452, 113890), (565, 91112), (791, 65080), (904, 56945), (1130, 45556), (1582, 32540), (1627, 31640), (2260, 22778), (3164, 16270), (3254, 15820), (3955, 13016), (4520, 11389), (6328, 8135), (6508, 7910)]