81047200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7793}}^1$

素因数の和:7826

約数の個数: 72

約数和(自身を含む): 213103548

約数和(自身を除く): 132056348

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 7793, 10400, 15586, 31172, 38965, 62344, 77930, 101309, 124688, 155860, 194825, 202618, 249376, 311720, 389650, 405236, 506545, 623440, 779300, 810472, 1013090, 1246880, 1558600, 1620944, 2026180, 2532725, 3117200, 3241888, 4052360, 5065450, 6234400, 8104720, 10130900, 16209440, 20261800, 40523600, 81047200]

約数ペア:

[(1, 81047200), (2, 40523600), (4, 20261800), (5, 16209440), (8, 10130900), (10, 8104720), (13, 6234400), (16, 5065450), (20, 4052360), (25, 3241888), (26, 3117200), (32, 2532725), (40, 2026180), (50, 1620944), (52, 1558600), (65, 1246880), (80, 1013090), (100, 810472), (104, 779300), (130, 623440), (160, 506545), (200, 405236), (208, 389650), (260, 311720), (325, 249376), (400, 202618), (416, 194825), (520, 155860), (650, 124688), (800, 101309), (1040, 77930), (1300, 62344), (2080, 38965), (2600, 31172), (5200, 15586), (7793, 10400)]