77988040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3191}}^1$

素因数の和:3262

約数の個数: 64

約数和(自身を含む): 193052160

約数和(自身を除く): 115064120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 3191, 4888, 6110, 6382, 12220, 12764, 15955, 24440, 25528, 31910, 41483, 63820, 82966, 127640, 149977, 165932, 207415, 299954, 331864, 414830, 599908, 749885, 829660, 1199816, 1499770, 1659320, 1949701, 2999540, 3899402, 5999080, 7798804, 9748505, 15597608, 19497010, 38994020, 77988040]

約数ペア:

[(1, 77988040), (2, 38994020), (4, 19497010), (5, 15597608), (8, 9748505), (10, 7798804), (13, 5999080), (20, 3899402), (26, 2999540), (40, 1949701), (47, 1659320), (52, 1499770), (65, 1199816), (94, 829660), (104, 749885), (130, 599908), (188, 414830), (235, 331864), (260, 299954), (376, 207415), (470, 165932), (520, 149977), (611, 127640), (940, 82966), (1222, 63820), (1880, 41483), (2444, 31910), (3055, 25528), (3191, 24440), (4888, 15955), (6110, 12764), (6382, 12220)]