2913520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 6874560

約数和(自身を除く): 3961040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 461, 632, 790, 922, 1264, 1580, 1844, 2305, 3160, 3688, 4610, 6320, 7376, 9220, 18440, 36419, 36880, 72838, 145676, 182095, 291352, 364190, 582704, 728380, 1456760, 2913520]

約数ペア:

[(1, 2913520), (2, 1456760), (4, 728380), (5, 582704), (8, 364190), (10, 291352), (16, 182095), (20, 145676), (40, 72838), (79, 36880), (80, 36419), (158, 18440), (316, 9220), (395, 7376), (461, 6320), (632, 4610), (790, 3688), (922, 3160), (1264, 2305), (1580, 1844)]