55451120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^2$

素因数の和:414

約数の個数: 60

約数和(自身を含む): 136423560

約数和(自身を除く): 80972440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 191, 304, 380, 382, 760, 764, 955, 1520, 1528, 1910, 3056, 3629, 3820, 7258, 7640, 14516, 15280, 18145, 29032, 36290, 36481, 58064, 72580, 72962, 145160, 145924, 182405, 290320, 291848, 364810, 583696, 693139, 729620, 1386278, 1459240, 2772556, 2918480, 3465695, 5545112, 6931390, 11090224, 13862780, 27725560, 55451120]

約数ペア:

[(1, 55451120), (2, 27725560), (4, 13862780), (5, 11090224), (8, 6931390), (10, 5545112), (16, 3465695), (19, 2918480), (20, 2772556), (38, 1459240), (40, 1386278), (76, 729620), (80, 693139), (95, 583696), (152, 364810), (190, 291848), (191, 290320), (304, 182405), (380, 145924), (382, 145160), (760, 72962), (764, 72580), (955, 58064), (1520, 36481), (1528, 36290), (1910, 29032), (3056, 18145), (3629, 15280), (3820, 14516), (7258, 7640)]