64201660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 140001120

約数和(自身を除く): 75799460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 101, 148, 185, 202, 370, 404, 505, 740, 859, 1010, 1718, 2020, 3436, 3737, 4295, 7474, 8590, 14948, 17180, 18685, 31783, 37370, 63566, 74740, 86759, 127132, 158915, 173518, 317830, 347036, 433795, 635660, 867590, 1735180, 3210083, 6420166, 12840332, 16050415, 32100830, 64201660]

約数ペア:

[(1, 64201660), (2, 32100830), (4, 16050415), (5, 12840332), (10, 6420166), (20, 3210083), (37, 1735180), (74, 867590), (101, 635660), (148, 433795), (185, 347036), (202, 317830), (370, 173518), (404, 158915), (505, 127132), (740, 86759), (859, 74740), (1010, 63566), (1718, 37370), (2020, 31783), (3436, 18685), (3737, 17180), (4295, 14948), (7474, 8590)]