27725560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^2$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 66011400

約数和(自身を除く): 38285840

約数列:

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

約数ペア:

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