78864760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4099}}^1$

素因数の和:4160

約数の個数: 64

約数和(自身を含む): 196308000

約数和(自身を除く): 117443240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4099, 4810, 8198, 9620, 16396, 19240, 20495, 32792, 40990, 53287, 81980, 106574, 151663, 163960, 213148, 266435, 303326, 426296, 532870, 606652, 758315, 1065740, 1213304, 1516630, 1971619, 2131480, 3033260, 3943238, 6066520, 7886476, 9858095, 15772952, 19716190, 39432380, 78864760]

約数ペア:

[(1, 78864760), (2, 39432380), (4, 19716190), (5, 15772952), (8, 9858095), (10, 7886476), (13, 6066520), (20, 3943238), (26, 3033260), (37, 2131480), (40, 1971619), (52, 1516630), (65, 1213304), (74, 1065740), (104, 758315), (130, 606652), (148, 532870), (185, 426296), (260, 303326), (296, 266435), (370, 213148), (481, 163960), (520, 151663), (740, 106574), (962, 81980), (1480, 53287), (1924, 40990), (2405, 32792), (3848, 20495), (4099, 19240), (4810, 16396), (8198, 9620)]