28335080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 70070400

約数和(自身を除く): 41735320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1621, 1748, 2185, 3242, 3496, 4370, 6484, 8105, 8740, 12968, 16210, 17480, 30799, 32420, 37283, 61598, 64840, 74566, 123196, 149132, 153995, 186415, 246392, 298264, 307990, 372830, 615980, 708377, 745660, 1231960, 1416754, 1491320, 2833508, 3541885, 5667016, 7083770, 14167540, 28335080]

約数ペア:

[(1, 28335080), (2, 14167540), (4, 7083770), (5, 5667016), (8, 3541885), (10, 2833508), (19, 1491320), (20, 1416754), (23, 1231960), (38, 745660), (40, 708377), (46, 615980), (76, 372830), (92, 307990), (95, 298264), (115, 246392), (152, 186415), (184, 153995), (190, 149132), (230, 123196), (380, 74566), (437, 64840), (460, 61598), (760, 37283), (874, 32420), (920, 30799), (1621, 17480), (1748, 16210), (2185, 12968), (3242, 8740), (3496, 8105), (4370, 6484)]