2012256940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{40423}}^1$

素因数の和:40582

約数の個数: 48

約数和(自身を含む): 4482213120

約数和(自身を除く): 2469956180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4978, 9956, 12445, 24890, 40423, 49780, 80846, 161692, 202115, 404230, 768037, 808460, 1536074, 3072148, 3840185, 5295413, 7680370, 10590826, 15360740, 21181652, 26477065, 52954130, 100612847, 105908260, 201225694, 402451388, 503064235, 1006128470, 2012256940]

約数ペア:

[(1, 2012256940), (2, 1006128470), (4, 503064235), (5, 402451388), (10, 201225694), (19, 105908260), (20, 100612847), (38, 52954130), (76, 26477065), (95, 21181652), (131, 15360740), (190, 10590826), (262, 7680370), (380, 5295413), (524, 3840185), (655, 3072148), (1310, 1536074), (2489, 808460), (2620, 768037), (4978, 404230), (9956, 202115), (12445, 161692), (24890, 80846), (40423, 49780)]