203984688520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{653}}^1\times {\mathrm{25111}}^1$

素因数の和:26086

約数の個数: 64

約数和(自身を含む): 461164803840

約数和(自身を除く): 257180115320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 653, 1244, 1306, 1555, 2488, 2612, 3110, 3265, 5224, 6220, 6530, 12440, 13060, 25111, 26120, 50222, 100444, 125555, 200888, 203083, 251110, 406166, 502220, 812332, 1004440, 1015415, 1624664, 2030830, 4061660, 7809521, 8123320, 15619042, 16397483, 31238084, 32794966, 39047605, 62476168, 65589932, 78095210, 81987415, 131179864, 156190420, 163974830, 312380840, 327949660, 655899320, 5099617213, 10199234426, 20398468852, 25498086065, 40796937704, 50996172130, 101992344260, 203984688520]

約数ペア:

[(1, 203984688520), (2, 101992344260), (4, 50996172130), (5, 40796937704), (8, 25498086065), (10, 20398468852), (20, 10199234426), (40, 5099617213), (311, 655899320), (622, 327949660), (653, 312380840), (1244, 163974830), (1306, 156190420), (1555, 131179864), (2488, 81987415), (2612, 78095210), (3110, 65589932), (3265, 62476168), (5224, 39047605), (6220, 32794966), (6530, 31238084), (12440, 16397483), (13060, 15619042), (25111, 8123320), (26120, 7809521), (50222, 4061660), (100444, 2030830), (125555, 1624664), (200888, 1015415), (203083, 1004440), (251110, 812332), (406166, 502220)]