38372020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 85377600

約数和(自身を除く): 47005580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 241, 380, 419, 482, 838, 964, 1205, 1676, 2095, 2410, 4190, 4579, 4820, 7961, 8380, 9158, 15922, 18316, 22895, 31844, 39805, 45790, 79610, 91580, 100979, 159220, 201958, 403916, 504895, 1009790, 1918601, 2019580, 3837202, 7674404, 9593005, 19186010, 38372020]

約数ペア:

[(1, 38372020), (2, 19186010), (4, 9593005), (5, 7674404), (10, 3837202), (19, 2019580), (20, 1918601), (38, 1009790), (76, 504895), (95, 403916), (190, 201958), (241, 159220), (380, 100979), (419, 91580), (482, 79610), (838, 45790), (964, 39805), (1205, 31844), (1676, 22895), (2095, 18316), (2410, 15922), (4190, 9158), (4579, 8380), (4820, 7961)]