20804532500

素因数分解:

$2^2\times 5^4\times {\mathrm{8321813}}^1$

素因数の和:8321837

約数の個数: 30

約数和(自身を含む): 45495357138

約数和(自身を除く): 24690824638

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8321813, 16643626, 33287252, 41609065, 83218130, 166436260, 208045325, 416090650, 832181300, 1040226625, 2080453250, 4160906500, 5201133125, 10402266250, 20804532500]

約数ペア:

[(1, 20804532500), (2, 10402266250), (4, 5201133125), (5, 4160906500), (10, 2080453250), (20, 1040226625), (25, 832181300), (50, 416090650), (100, 208045325), (125, 166436260), (250, 83218130), (500, 41609065), (625, 33287252), (1250, 16643626), (2500, 8321813)]