204628750

素因数分解:

$2^1\times 5^4\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1438

約数の個数: 40

約数和(自身を含む): 386876160

約数和(自身を除く): 182247410

約数列:

[1, 2, 5, 10, 25, 50, 125, 127, 250, 254, 625, 635, 1250, 1270, 1289, 2578, 3175, 6350, 6445, 12890, 15875, 31750, 32225, 64450, 79375, 158750, 161125, 163703, 322250, 327406, 805625, 818515, 1611250, 1637030, 4092575, 8185150, 20462875, 40925750, 102314375, 204628750]

約数ペア:

[(1, 204628750), (2, 102314375), (5, 40925750), (10, 20462875), (25, 8185150), (50, 4092575), (125, 1637030), (127, 1611250), (250, 818515), (254, 805625), (625, 327406), (635, 322250), (1250, 163703), (1270, 161125), (1289, 158750), (2578, 79375), (3175, 64450), (6350, 32225), (6445, 31750), (12890, 15875)]