80493993020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18547003}}^1$

素因数の和:18547050

約数の個数: 48

約数和(自身を含む): 199417387008

約数和(自身を除く): 118923393988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 18547003, 37094006, 74188012, 92735015, 129829021, 185470030, 259658042, 370940060, 519316084, 574957093, 649145105, 1149914186, 1298290210, 2299828372, 2596580420, 2874785465, 4024699651, 5749570930, 8049399302, 11499141860, 16098798604, 20123498255, 40246996510, 80493993020]

約数ペア:

[(1, 80493993020), (2, 40246996510), (4, 20123498255), (5, 16098798604), (7, 11499141860), (10, 8049399302), (14, 5749570930), (20, 4024699651), (28, 2874785465), (31, 2596580420), (35, 2299828372), (62, 1298290210), (70, 1149914186), (124, 649145105), (140, 574957093), (155, 519316084), (217, 370940060), (310, 259658042), (434, 185470030), (620, 129829021), (868, 92735015), (1085, 74188012), (2170, 37094006), (4340, 18547003)]