29685640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 71487360

約数和(自身を除く): 41801720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 787, 820, 920, 943, 1574, 1640, 1886, 3148, 3772, 3935, 4715, 6296, 7544, 7870, 9430, 15740, 18101, 18860, 31480, 32267, 36202, 37720, 64534, 72404, 90505, 129068, 144808, 161335, 181010, 258136, 322670, 362020, 645340, 724040, 742141, 1290680, 1484282, 2968564, 3710705, 5937128, 7421410, 14842820, 29685640]

約数ペア:

[(1, 29685640), (2, 14842820), (4, 7421410), (5, 5937128), (8, 3710705), (10, 2968564), (20, 1484282), (23, 1290680), (40, 742141), (41, 724040), (46, 645340), (82, 362020), (92, 322670), (115, 258136), (164, 181010), (184, 161335), (205, 144808), (230, 129068), (328, 90505), (410, 72404), (460, 64534), (787, 37720), (820, 36202), (920, 32267), (943, 31480), (1574, 18860), (1640, 18101), (1886, 15740), (3148, 9430), (3772, 7870), (3935, 7544), (4715, 6296)]