80475925

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 108613956

約数和(自身を除く): 28138031

約数列:

[1, 5, 19, 25, 37, 95, 185, 241, 361, 475, 703, 925, 1205, 1805, 3515, 4579, 6025, 8917, 9025, 13357, 17575, 22895, 44585, 66785, 87001, 114475, 169423, 222925, 333925, 435005, 847115, 2175025, 3219037, 4235575, 16095185, 80475925]

約数ペア:

[(1, 80475925), (5, 16095185), (19, 4235575), (25, 3219037), (37, 2175025), (95, 847115), (185, 435005), (241, 333925), (361, 222925), (475, 169423), (703, 114475), (925, 87001), (1205, 66785), (1805, 44585), (3515, 22895), (4579, 17575), (6025, 13357), (8917, 9025)]