2013459440

素因数分解:

$2^4\times 5^1\times {\mathrm{25168243}}^1$

素因数の和:25168256

約数の個数: 20

約数和(自身を含む): 4681293384

約数和(自身を除く): 2667833944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25168243, 50336486, 100672972, 125841215, 201345944, 251682430, 402691888, 503364860, 1006729720, 2013459440]

約数ペア:

[(1, 2013459440), (2, 1006729720), (4, 503364860), (5, 402691888), (8, 251682430), (10, 201345944), (16, 125841215), (20, 100672972), (40, 50336486), (80, 25168243)]