200618125

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{7829}}^1$

素因数の和:7890

約数の個数: 20

約数和(自身を含む): 256839660

約数和(自身を除く): 56221535

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 5125, 7829, 25625, 39145, 195725, 320989, 978625, 1604945, 4893125, 8024725, 40123625, 200618125]

約数ペア:

[(1, 200618125), (5, 40123625), (25, 8024725), (41, 4893125), (125, 1604945), (205, 978625), (625, 320989), (1025, 195725), (5125, 39145), (7829, 25625)]