202145920

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1229}}^1$

素因数の和:1505

約数の個数: 64

約数和(自身を含む): 485530200

約数和(自身を除く): 283384280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 514, 640, 1028, 1229, 1285, 2056, 2458, 2570, 4112, 4916, 5140, 6145, 8224, 9832, 10280, 12290, 16448, 19664, 20560, 24580, 32896, 39328, 41120, 49160, 78656, 82240, 98320, 157312, 164480, 196640, 315853, 393280, 631706, 786560, 1263412, 1579265, 2526824, 3158530, 5053648, 6317060, 10107296, 12634120, 20214592, 25268240, 40429184, 50536480, 101072960, 202145920]

約数ペア:

[(1, 202145920), (2, 101072960), (4, 50536480), (5, 40429184), (8, 25268240), (10, 20214592), (16, 12634120), (20, 10107296), (32, 6317060), (40, 5053648), (64, 3158530), (80, 2526824), (128, 1579265), (160, 1263412), (257, 786560), (320, 631706), (514, 393280), (640, 315853), (1028, 196640), (1229, 164480), (1285, 157312), (2056, 98320), (2458, 82240), (2570, 78656), (4112, 49160), (4916, 41120), (5140, 39328), (6145, 32896), (8224, 24580), (9832, 20560), (10280, 19664), (12290, 16448)]