78933920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 203022288

約数和(自身を除く): 124088368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 137, 160, 208, 260, 274, 277, 416, 520, 548, 554, 685, 1040, 1096, 1108, 1370, 1385, 1781, 2080, 2192, 2216, 2740, 2770, 3562, 3601, 4384, 4432, 5480, 5540, 7124, 7202, 8864, 8905, 10960, 11080, 14248, 14404, 17810, 18005, 21920, 22160, 28496, 28808, 35620, 36010, 37949, 44320, 56992, 57616, 71240, 72020, 75898, 115232, 142480, 144040, 151796, 189745, 284960, 288080, 303592, 379490, 493337, 576160, 607184, 758980, 986674, 1214368, 1517960, 1973348, 2466685, 3035920, 3946696, 4933370, 6071840, 7893392, 9866740, 15786784, 19733480, 39466960, 78933920]

約数ペア:

[(1, 78933920), (2, 39466960), (4, 19733480), (5, 15786784), (8, 9866740), (10, 7893392), (13, 6071840), (16, 4933370), (20, 3946696), (26, 3035920), (32, 2466685), (40, 1973348), (52, 1517960), (65, 1214368), (80, 986674), (104, 758980), (130, 607184), (137, 576160), (160, 493337), (208, 379490), (260, 303592), (274, 288080), (277, 284960), (416, 189745), (520, 151796), (548, 144040), (554, 142480), (685, 115232), (1040, 75898), (1096, 72020), (1108, 71240), (1370, 57616), (1385, 56992), (1781, 44320), (2080, 37949), (2192, 36010), (2216, 35620), (2740, 28808), (2770, 28496), (3562, 22160), (3601, 21920), (4384, 18005), (4432, 17810), (5480, 14404), (5540, 14248), (7124, 11080), (7202, 10960), (8864, 8905)]