20140143640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{243121}}^1$

素因数の和:243260

約数の個数: 64

約数和(自身を含む): 48138156000

約数和(自身を除く): 27998012360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 8284, 10355, 16568, 20710, 41420, 82840, 243121, 486242, 972484, 1215605, 1944968, 2431210, 4619299, 4862420, 9238598, 9724840, 18477196, 23096495, 26500189, 36954392, 46192990, 53000378, 92385980, 106000756, 132500945, 184771960, 212001512, 265001890, 503503591, 530003780, 1007007182, 1060007560, 2014014364, 2517517955, 4028028728, 5035035910, 10070071820, 20140143640]

約数ペア:

[(1, 20140143640), (2, 10070071820), (4, 5035035910), (5, 4028028728), (8, 2517517955), (10, 2014014364), (19, 1060007560), (20, 1007007182), (38, 530003780), (40, 503503591), (76, 265001890), (95, 212001512), (109, 184771960), (152, 132500945), (190, 106000756), (218, 92385980), (380, 53000378), (436, 46192990), (545, 36954392), (760, 26500189), (872, 23096495), (1090, 18477196), (2071, 9724840), (2180, 9238598), (4142, 4862420), (4360, 4619299), (8284, 2431210), (10355, 1944968), (16568, 1215605), (20710, 972484), (41420, 486242), (82840, 243121)]