20155176040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1\times {\mathrm{16703}}^1$

素因数の和:17122

約数の個数: 64

約数和(自身を含む): 45966735360

約数和(自身を除く): 25811559320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 311, 388, 485, 622, 776, 970, 1244, 1555, 1940, 2488, 3110, 3880, 6220, 12440, 16703, 30167, 33406, 60334, 66812, 83515, 120668, 133624, 150835, 167030, 241336, 301670, 334060, 603340, 668120, 1206680, 1620191, 3240382, 5194633, 6480764, 8100955, 10389266, 12961528, 16201910, 20778532, 25973165, 32403820, 41557064, 51946330, 64807640, 103892660, 207785320, 503879401, 1007758802, 2015517604, 2519397005, 4031035208, 5038794010, 10077588020, 20155176040]

約数ペア:

[(1, 20155176040), (2, 10077588020), (4, 5038794010), (5, 4031035208), (8, 2519397005), (10, 2015517604), (20, 1007758802), (40, 503879401), (97, 207785320), (194, 103892660), (311, 64807640), (388, 51946330), (485, 41557064), (622, 32403820), (776, 25973165), (970, 20778532), (1244, 16201910), (1555, 12961528), (1940, 10389266), (2488, 8100955), (3110, 6480764), (3880, 5194633), (6220, 3240382), (12440, 1620191), (16703, 1206680), (30167, 668120), (33406, 603340), (60334, 334060), (66812, 301670), (83515, 241336), (120668, 167030), (133624, 150835)]