42356080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 107180640

約数和(自身を除く): 64824560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 293, 520, 556, 586, 695, 1040, 1112, 1172, 1390, 1465, 1807, 2224, 2344, 2780, 2930, 3614, 3809, 4688, 5560, 5860, 7228, 7618, 9035, 11120, 11720, 14456, 15236, 18070, 19045, 23440, 28912, 30472, 36140, 38090, 40727, 60944, 72280, 76180, 81454, 144560, 152360, 162908, 203635, 304720, 325816, 407270, 529451, 651632, 814540, 1058902, 1629080, 2117804, 2647255, 3258160, 4235608, 5294510, 8471216, 10589020, 21178040, 42356080]

約数ペア:

[(1, 42356080), (2, 21178040), (4, 10589020), (5, 8471216), (8, 5294510), (10, 4235608), (13, 3258160), (16, 2647255), (20, 2117804), (26, 1629080), (40, 1058902), (52, 814540), (65, 651632), (80, 529451), (104, 407270), (130, 325816), (139, 304720), (208, 203635), (260, 162908), (278, 152360), (293, 144560), (520, 81454), (556, 76180), (586, 72280), (695, 60944), (1040, 40727), (1112, 38090), (1172, 36140), (1390, 30472), (1465, 28912), (1807, 23440), (2224, 19045), (2344, 18070), (2780, 15236), (2930, 14456), (3614, 11720), (3809, 11120), (4688, 9035), (5560, 7618), (5860, 7228)]