12930020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 28325808

約数和(自身を除く): 15395788

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 101, 148, 173, 185, 202, 346, 370, 404, 505, 692, 740, 865, 1010, 1730, 2020, 3460, 3737, 6401, 7474, 12802, 14948, 17473, 18685, 25604, 32005, 34946, 37370, 64010, 69892, 74740, 87365, 128020, 174730, 349460, 646501, 1293002, 2586004, 3232505, 6465010, 12930020]

約数ペア:

[(1, 12930020), (2, 6465010), (4, 3232505), (5, 2586004), (10, 1293002), (20, 646501), (37, 349460), (74, 174730), (101, 128020), (148, 87365), (173, 74740), (185, 69892), (202, 64010), (346, 37370), (370, 34946), (404, 32005), (505, 25604), (692, 18685), (740, 17473), (865, 14948), (1010, 12802), (1730, 7474), (2020, 6401), (3460, 3737)]