42509620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 93477888

約数和(自身を除く): 50968268

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1103, 1927, 2206, 3854, 4412, 5515, 7708, 9635, 11030, 19270, 22060, 38540, 45223, 51841, 90446, 103682, 180892, 207364, 226115, 259205, 452230, 518410, 904460, 1036820, 2125481, 4250962, 8501924, 10627405, 21254810, 42509620]

約数ペア:

[(1, 42509620), (2, 21254810), (4, 10627405), (5, 8501924), (10, 4250962), (20, 2125481), (41, 1036820), (47, 904460), (82, 518410), (94, 452230), (164, 259205), (188, 226115), (205, 207364), (235, 180892), (410, 103682), (470, 90446), (820, 51841), (940, 45223), (1103, 38540), (1927, 22060), (2206, 19270), (3854, 11030), (4412, 9635), (5515, 7708)]