82527620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20327}}^1$

素因数の和:20372

約数の個数: 48

約数和(自身を含む): 204906240

約数和(自身を除く): 122378620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 20327, 40654, 81308, 101635, 142289, 203270, 284578, 406540, 569156, 589483, 711445, 1178966, 1422890, 2357932, 2845780, 2947415, 4126381, 5894830, 8252762, 11789660, 16505524, 20631905, 41263810, 82527620]

約数ペア:

[(1, 82527620), (2, 41263810), (4, 20631905), (5, 16505524), (7, 11789660), (10, 8252762), (14, 5894830), (20, 4126381), (28, 2947415), (29, 2845780), (35, 2357932), (58, 1422890), (70, 1178966), (116, 711445), (140, 589483), (145, 569156), (203, 406540), (290, 284578), (406, 203270), (580, 142289), (812, 101635), (1015, 81308), (2030, 40654), (4060, 20327)]