15693667580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{242261}}^1$

素因数の和:242390

約数の個数: 48

約数和(自身を含む): 34188013440

約数和(自身を除く): 18494345860

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 6478, 12956, 16195, 32390, 64780, 242261, 484522, 969044, 1211305, 2422610, 4845220, 9932701, 19138619, 19865402, 38277238, 39730804, 49663505, 76554476, 95693095, 99327010, 191386190, 198654020, 382772380, 784683379, 1569366758, 3138733516, 3923416895, 7846833790, 15693667580]

約数ペア:

[(1, 15693667580), (2, 7846833790), (4, 3923416895), (5, 3138733516), (10, 1569366758), (20, 784683379), (41, 382772380), (79, 198654020), (82, 191386190), (158, 99327010), (164, 95693095), (205, 76554476), (316, 49663505), (395, 39730804), (410, 38277238), (790, 19865402), (820, 19138619), (1580, 9932701), (3239, 4845220), (6478, 2422610), (12956, 1211305), (16195, 969044), (32390, 484522), (64780, 242261)]