204998320

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20177}}^1$

素因数の和:20317

約数の個数: 40

約数和(自身を含む): 480397824

約数和(自身を除く): 275399504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20177, 40354, 80708, 100885, 161416, 201770, 322832, 403540, 807080, 1614160, 2562479, 5124958, 10249916, 12812395, 20499832, 25624790, 40999664, 51249580, 102499160, 204998320]

約数ペア:

[(1, 204998320), (2, 102499160), (4, 51249580), (5, 40999664), (8, 25624790), (10, 20499832), (16, 12812395), (20, 10249916), (40, 5124958), (80, 2562479), (127, 1614160), (254, 807080), (508, 403540), (635, 322832), (1016, 201770), (1270, 161416), (2032, 100885), (2540, 80708), (5080, 40354), (10160, 20177)]