19634781680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1\times {\mathrm{7499}}^1$

素因数の和:8958

約数の個数: 80

約数和(自身を含む): 47675520000

約数和(自身を除く): 28040738320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1423, 1840, 2846, 5692, 7115, 7499, 11384, 14230, 14998, 22768, 28460, 29996, 32729, 37495, 56920, 59992, 65458, 74990, 113840, 119984, 130916, 149980, 163645, 172477, 261832, 299960, 327290, 344954, 523664, 599920, 654580, 689908, 862385, 1309160, 1379816, 1724770, 2618320, 2759632, 3449540, 6899080, 10671077, 13798160, 21342154, 42684308, 53355385, 85368616, 106710770, 170737232, 213421540, 245434771, 426843080, 490869542, 853686160, 981739084, 1227173855, 1963478168, 2454347710, 3926956336, 4908695420, 9817390840, 19634781680]

約数ペア:

[(1, 19634781680), (2, 9817390840), (4, 4908695420), (5, 3926956336), (8, 2454347710), (10, 1963478168), (16, 1227173855), (20, 981739084), (23, 853686160), (40, 490869542), (46, 426843080), (80, 245434771), (92, 213421540), (115, 170737232), (184, 106710770), (230, 85368616), (368, 53355385), (460, 42684308), (920, 21342154), (1423, 13798160), (1840, 10671077), (2846, 6899080), (5692, 3449540), (7115, 2759632), (7499, 2618320), (11384, 1724770), (14230, 1379816), (14998, 1309160), (22768, 862385), (28460, 689908), (29996, 654580), (32729, 599920), (37495, 523664), (56920, 344954), (59992, 327290), (65458, 299960), (74990, 261832), (113840, 172477), (119984, 163645), (130916, 149980)]