82461080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 200823840

約数和(自身を除く): 118362760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 457, 520, 694, 914, 1388, 1735, 1828, 2285, 2776, 3470, 3656, 4511, 4570, 5941, 6940, 9022, 9140, 11882, 13880, 18044, 18280, 22555, 23764, 29705, 36088, 45110, 47528, 59410, 90220, 118820, 158579, 180440, 237640, 317158, 634316, 792895, 1268632, 1585790, 2061527, 3171580, 4123054, 6343160, 8246108, 10307635, 16492216, 20615270, 41230540, 82461080]

約数ペア:

[(1, 82461080), (2, 41230540), (4, 20615270), (5, 16492216), (8, 10307635), (10, 8246108), (13, 6343160), (20, 4123054), (26, 3171580), (40, 2061527), (52, 1585790), (65, 1268632), (104, 792895), (130, 634316), (260, 317158), (347, 237640), (457, 180440), (520, 158579), (694, 118820), (914, 90220), (1388, 59410), (1735, 47528), (1828, 45110), (2285, 36088), (2776, 29705), (3470, 23764), (3656, 22555), (4511, 18280), (4570, 18044), (5941, 13880), (6940, 11882), (9022, 9140)]