90982240

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8009}}^1$

素因数の和:8095

約数の個数: 48

約数和(自身を含む): 218000160

約数和(自身を除く): 127017920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 8009, 11360, 16018, 32036, 40045, 64072, 80090, 128144, 160180, 256288, 320360, 568639, 640720, 1137278, 1281440, 2274556, 2843195, 4549112, 5686390, 9098224, 11372780, 18196448, 22745560, 45491120, 90982240]

約数ペア:

[(1, 90982240), (2, 45491120), (4, 22745560), (5, 18196448), (8, 11372780), (10, 9098224), (16, 5686390), (20, 4549112), (32, 2843195), (40, 2274556), (71, 1281440), (80, 1137278), (142, 640720), (160, 568639), (284, 320360), (355, 256288), (568, 160180), (710, 128144), (1136, 80090), (1420, 64072), (2272, 40045), (2840, 32036), (5680, 16018), (8009, 11360)]