2056511480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{9931}}^1$

素因数の和:10140

約数の個数: 64

約数和(自身を含む): 4805498880

約数和(自身を除く): 2748987400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 167, 248, 310, 334, 620, 668, 835, 1240, 1336, 1670, 3340, 5177, 6680, 9931, 10354, 19862, 20708, 25885, 39724, 41416, 49655, 51770, 79448, 99310, 103540, 198620, 207080, 307861, 397240, 615722, 1231444, 1539305, 1658477, 2462888, 3078610, 3316954, 6157220, 6633908, 8292385, 12314440, 13267816, 16584770, 33169540, 51412787, 66339080, 102825574, 205651148, 257063935, 411302296, 514127870, 1028255740, 2056511480]

約数ペア:

[(1, 2056511480), (2, 1028255740), (4, 514127870), (5, 411302296), (8, 257063935), (10, 205651148), (20, 102825574), (31, 66339080), (40, 51412787), (62, 33169540), (124, 16584770), (155, 13267816), (167, 12314440), (248, 8292385), (310, 6633908), (334, 6157220), (620, 3316954), (668, 3078610), (835, 2462888), (1240, 1658477), (1336, 1539305), (1670, 1231444), (3340, 615722), (5177, 397240), (6680, 307861), (9931, 207080), (10354, 198620), (19862, 103540), (20708, 99310), (25885, 79448), (39724, 51770), (41416, 49655)]