28735660

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3583}}^1$

素因数の和:3993

約数の個数: 24

約数和(自身を含む): 60512256

約数和(自身を除く): 31776596

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 3583, 4010, 7166, 8020, 14332, 17915, 35830, 71660, 1436783, 2873566, 5747132, 7183915, 14367830, 28735660]

約数ペア:

[(1, 28735660), (2, 14367830), (4, 7183915), (5, 5747132), (10, 2873566), (20, 1436783), (401, 71660), (802, 35830), (1604, 17915), (2005, 14332), (3583, 8020), (4010, 7166)]