19961250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5323}}^1$

素因数の和:5348

約数の個数: 40

約数和(自身を含む): 49896528

約数和(自身を除く): 29935278

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5323, 10646, 15969, 26615, 31938, 53230, 79845, 133075, 159690, 266150, 399225, 665375, 798450, 1330750, 1996125, 3326875, 3992250, 6653750, 9980625, 19961250]

約数ペア:

[(1, 19961250), (2, 9980625), (3, 6653750), (5, 3992250), (6, 3326875), (10, 1996125), (15, 1330750), (25, 798450), (30, 665375), (50, 399225), (75, 266150), (125, 159690), (150, 133075), (250, 79845), (375, 53230), (625, 31938), (750, 26615), (1250, 15969), (1875, 10646), (3750, 5323)]