51423580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2039}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 117552960

約数和(自身を除く): 66129380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2039, 2522, 4078, 5044, 6305, 8156, 10195, 12610, 20390, 25220, 26507, 40780, 53014, 106028, 132535, 197783, 265070, 395566, 530140, 791132, 988915, 1977830, 2571179, 3955660, 5142358, 10284716, 12855895, 25711790, 51423580]

約数ペア:

[(1, 51423580), (2, 25711790), (4, 12855895), (5, 10284716), (10, 5142358), (13, 3955660), (20, 2571179), (26, 1977830), (52, 988915), (65, 791132), (97, 530140), (130, 395566), (194, 265070), (260, 197783), (388, 132535), (485, 106028), (970, 53014), (1261, 40780), (1940, 26507), (2039, 25220), (2522, 20390), (4078, 12610), (5044, 10195), (6305, 8156)]