2800692080

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1\times {\mathrm{541}}^1$

素因数の和:1114

約数の個数: 80

約数和(自身を含む): 6580200864

約数和(自身を除く): 3779508784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 397, 541, 652, 794, 815, 1082, 1304, 1588, 1630, 1985, 2164, 2608, 2705, 3176, 3260, 3970, 4328, 5410, 6352, 6520, 7940, 8656, 10820, 13040, 15880, 21640, 31760, 43280, 64711, 88183, 129422, 176366, 214777, 258844, 323555, 352732, 429554, 440915, 517688, 647110, 705464, 859108, 881830, 1035376, 1073885, 1294220, 1410928, 1718216, 1763660, 2147770, 2588440, 3436432, 3527320, 4295540, 5176880, 7054640, 8591080, 17182160, 35008651, 70017302, 140034604, 175043255, 280069208, 350086510, 560138416, 700173020, 1400346040, 2800692080]

約数ペア:

[(1, 2800692080), (2, 1400346040), (4, 700173020), (5, 560138416), (8, 350086510), (10, 280069208), (16, 175043255), (20, 140034604), (40, 70017302), (80, 35008651), (163, 17182160), (326, 8591080), (397, 7054640), (541, 5176880), (652, 4295540), (794, 3527320), (815, 3436432), (1082, 2588440), (1304, 2147770), (1588, 1763660), (1630, 1718216), (1985, 1410928), (2164, 1294220), (2608, 1073885), (2705, 1035376), (3176, 881830), (3260, 859108), (3970, 705464), (4328, 647110), (5410, 517688), (6352, 440915), (6520, 429554), (7940, 352732), (8656, 323555), (10820, 258844), (13040, 214777), (15880, 176366), (21640, 129422), (31760, 88183), (43280, 64711)]