163904260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33179}}^1$

素因数の和:33220

約数の個数: 48

約数和(自身を含む): 390196800

約数和(自身を除く): 226292540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 33179, 66358, 132716, 165895, 331790, 431327, 630401, 663580, 862654, 1260802, 1725308, 2156635, 2521604, 3152005, 4313270, 6304010, 8195213, 8626540, 12608020, 16390426, 32780852, 40976065, 81952130, 163904260]

約数ペア:

[(1, 163904260), (2, 81952130), (4, 40976065), (5, 32780852), (10, 16390426), (13, 12608020), (19, 8626540), (20, 8195213), (26, 6304010), (38, 4313270), (52, 3152005), (65, 2521604), (76, 2156635), (95, 1725308), (130, 1260802), (190, 862654), (247, 663580), (260, 630401), (380, 431327), (494, 331790), (988, 165895), (1235, 132716), (2470, 66358), (4940, 33179)]