7940060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 17865792

約数和(自身を除く): 9925732

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 421, 460, 820, 842, 943, 1684, 1886, 2105, 3772, 4210, 4715, 8420, 9430, 9683, 17261, 18860, 19366, 34522, 38732, 48415, 69044, 86305, 96830, 172610, 193660, 345220, 397003, 794006, 1588012, 1985015, 3970030, 7940060]

約数ペア:

[(1, 7940060), (2, 3970030), (4, 1985015), (5, 1588012), (10, 794006), (20, 397003), (23, 345220), (41, 193660), (46, 172610), (82, 96830), (92, 86305), (115, 69044), (164, 48415), (205, 38732), (230, 34522), (410, 19366), (421, 18860), (460, 17261), (820, 9683), (842, 9430), (943, 8420), (1684, 4715), (1886, 4210), (2105, 3772)]