39135820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 87141600

約数和(自身を除く): 48005780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 362, 380, 569, 724, 905, 1138, 1810, 2276, 2845, 3439, 3620, 5690, 6878, 10811, 11380, 13756, 17195, 21622, 34390, 43244, 54055, 68780, 102989, 108110, 205978, 216220, 411956, 514945, 1029890, 1956791, 2059780, 3913582, 7827164, 9783955, 19567910, 39135820]

約数ペア:

[(1, 39135820), (2, 19567910), (4, 9783955), (5, 7827164), (10, 3913582), (19, 2059780), (20, 1956791), (38, 1029890), (76, 514945), (95, 411956), (181, 216220), (190, 205978), (362, 108110), (380, 102989), (569, 68780), (724, 54055), (905, 43244), (1138, 34390), (1810, 21622), (2276, 17195), (2845, 13756), (3439, 11380), (3620, 10811), (5690, 6878)]