39881540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 48177340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 230, 362, 460, 479, 724, 905, 958, 1810, 1916, 2395, 3620, 4163, 4790, 8326, 9580, 11017, 16652, 20815, 22034, 41630, 44068, 55085, 83260, 86699, 110170, 173398, 220340, 346796, 433495, 866990, 1733980, 1994077, 3988154, 7976308, 9970385, 19940770, 39881540]

約数ペア:

[(1, 39881540), (2, 19940770), (4, 9970385), (5, 7976308), (10, 3988154), (20, 1994077), (23, 1733980), (46, 866990), (92, 433495), (115, 346796), (181, 220340), (230, 173398), (362, 110170), (460, 86699), (479, 83260), (724, 55085), (905, 44068), (958, 41630), (1810, 22034), (1916, 20815), (2395, 16652), (3620, 11017), (4163, 9580), (4790, 8326)]