204544720

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2617}}^1$

素因数の和:3607

約数の個数: 40

約数和(自身を含む): 476235144

約数和(自身を除く): 271690424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1954, 2617, 3908, 4885, 5234, 7816, 9770, 10468, 13085, 15632, 19540, 20936, 26170, 39080, 41872, 52340, 78160, 104680, 209360, 2556809, 5113618, 10227236, 12784045, 20454472, 25568090, 40908944, 51136180, 102272360, 204544720]

約数ペア:

[(1, 204544720), (2, 102272360), (4, 51136180), (5, 40908944), (8, 25568090), (10, 20454472), (16, 12784045), (20, 10227236), (40, 5113618), (80, 2556809), (977, 209360), (1954, 104680), (2617, 78160), (3908, 52340), (4885, 41872), (5234, 39080), (7816, 26170), (9770, 20936), (10468, 19540), (13085, 15632)]