204044840

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12721}}^1$

素因数の和:13133

約数の個数: 32

約数和(自身を含む): 460281960

約数和(自身を除く): 256237120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 12721, 16040, 25442, 50884, 63605, 101768, 127210, 254420, 508840, 5101121, 10202242, 20404484, 25505605, 40808968, 51011210, 102022420, 204044840]

約数ペア:

[(1, 204044840), (2, 102022420), (4, 51011210), (5, 40808968), (8, 25505605), (10, 20404484), (20, 10202242), (40, 5101121), (401, 508840), (802, 254420), (1604, 127210), (2005, 101768), (3208, 63605), (4010, 50884), (8020, 25442), (12721, 16040)]