28393160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 66484800

約数和(自身を除く): 38091640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 59, 106, 118, 212, 227, 236, 265, 295, 424, 454, 472, 530, 590, 908, 1060, 1135, 1180, 1816, 2120, 2270, 2360, 3127, 4540, 6254, 9080, 12031, 12508, 13393, 15635, 24062, 25016, 26786, 31270, 48124, 53572, 60155, 62540, 66965, 96248, 107144, 120310, 125080, 133930, 240620, 267860, 481240, 535720, 709829, 1419658, 2839316, 3549145, 5678632, 7098290, 14196580, 28393160]

約数ペア:

[(1, 28393160), (2, 14196580), (4, 7098290), (5, 5678632), (8, 3549145), (10, 2839316), (20, 1419658), (40, 709829), (53, 535720), (59, 481240), (106, 267860), (118, 240620), (212, 133930), (227, 125080), (236, 120310), (265, 107144), (295, 96248), (424, 66965), (454, 62540), (472, 60155), (530, 53572), (590, 48124), (908, 31270), (1060, 26786), (1135, 25016), (1180, 24062), (1816, 15635), (2120, 13393), (2270, 12508), (2360, 12031), (3127, 9080), (4540, 6254)]