2618480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 6187104

約数和(自身を除く): 3568624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 461, 568, 710, 922, 1136, 1420, 1844, 2305, 2840, 3688, 4610, 5680, 7376, 9220, 18440, 32731, 36880, 65462, 130924, 163655, 261848, 327310, 523696, 654620, 1309240, 2618480]

約数ペア:

[(1, 2618480), (2, 1309240), (4, 654620), (5, 523696), (8, 327310), (10, 261848), (16, 163655), (20, 130924), (40, 65462), (71, 36880), (80, 32731), (142, 18440), (284, 9220), (355, 7376), (461, 5680), (568, 4610), (710, 3688), (922, 2840), (1136, 2305), (1420, 1844)]