191287960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{116639}}^1$

素因数の和:116691

約数の個数: 32

約数和(自身を含む): 440899200

約数和(自身を除く): 249611240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 116639, 233278, 466556, 583195, 933112, 1166390, 2332780, 4665560, 4782199, 9564398, 19128796, 23910995, 38257592, 47821990, 95643980, 191287960]

約数ペア:

[(1, 191287960), (2, 95643980), (4, 47821990), (5, 38257592), (8, 23910995), (10, 19128796), (20, 9564398), (40, 4782199), (41, 4665560), (82, 2332780), (164, 1166390), (205, 933112), (328, 583195), (410, 466556), (820, 233278), (1640, 116639)]