166428020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{18451}}^1$

素因数の和:18512

約数の個数: 48

約数和(自身を含む): 390591936

約数和(自身を除く): 224163916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 18451, 36902, 73804, 92255, 184510, 202961, 369020, 405922, 756491, 811844, 1014805, 1512982, 2029610, 3025964, 3782455, 4059220, 7564910, 8321401, 15129820, 16642802, 33285604, 41607005, 83214010, 166428020]

約数ペア:

[(1, 166428020), (2, 83214010), (4, 41607005), (5, 33285604), (10, 16642802), (11, 15129820), (20, 8321401), (22, 7564910), (41, 4059220), (44, 3782455), (55, 3025964), (82, 2029610), (110, 1512982), (164, 1014805), (205, 811844), (220, 756491), (410, 405922), (451, 369020), (820, 202961), (902, 184510), (1804, 92255), (2255, 73804), (4510, 36902), (9020, 18451)]