2008021240

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1\times {\mathrm{823}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 4562026560

約数和(自身を除く): 2554005320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 337, 362, 674, 724, 823, 905, 1348, 1448, 1646, 1685, 1810, 2696, 3292, 3370, 3620, 4115, 6584, 6740, 7240, 8230, 13480, 16460, 32920, 60997, 121994, 148963, 243988, 277351, 297926, 304985, 487976, 554702, 595852, 609970, 744815, 1109404, 1191704, 1219940, 1386755, 1489630, 2218808, 2439880, 2773510, 2979260, 5547020, 5958520, 11094040, 50200531, 100401062, 200802124, 251002655, 401604248, 502005310, 1004010620, 2008021240]

約数ペア:

[(1, 2008021240), (2, 1004010620), (4, 502005310), (5, 401604248), (8, 251002655), (10, 200802124), (20, 100401062), (40, 50200531), (181, 11094040), (337, 5958520), (362, 5547020), (674, 2979260), (724, 2773510), (823, 2439880), (905, 2218808), (1348, 1489630), (1448, 1386755), (1646, 1219940), (1685, 1191704), (1810, 1109404), (2696, 744815), (3292, 609970), (3370, 595852), (3620, 554702), (4115, 487976), (6584, 304985), (6740, 297926), (7240, 277351), (8230, 243988), (13480, 148963), (16460, 121994), (32920, 60997)]