87705520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8243}}^1$

素因数の和:8282

約数の個数: 80

約数和(自身を含む): 245341440

約数和(自身を除く): 157635920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 8243, 10640, 16486, 32972, 41215, 57701, 65944, 82430, 115402, 131888, 156617, 164860, 230804, 288505, 313234, 329720, 461608, 577010, 626468, 659440, 783085, 923216, 1096319, 1154020, 1252936, 1566170, 2192638, 2308040, 2505872, 3132340, 4385276, 4616080, 5481595, 6264680, 8770552, 10963190, 12529360, 17541104, 21926380, 43852760, 87705520]

約数ペア:

[(1, 87705520), (2, 43852760), (4, 21926380), (5, 17541104), (7, 12529360), (8, 10963190), (10, 8770552), (14, 6264680), (16, 5481595), (19, 4616080), (20, 4385276), (28, 3132340), (35, 2505872), (38, 2308040), (40, 2192638), (56, 1566170), (70, 1252936), (76, 1154020), (80, 1096319), (95, 923216), (112, 783085), (133, 659440), (140, 626468), (152, 577010), (190, 461608), (266, 329720), (280, 313234), (304, 288505), (380, 230804), (532, 164860), (560, 156617), (665, 131888), (760, 115402), (1064, 82430), (1330, 65944), (1520, 57701), (2128, 41215), (2660, 32972), (5320, 16486), (8243, 10640)]