870878450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1339813}}^1$

素因数の和:1339838

約数の個数: 24

約数和(自身を含む): 1744437828

約数和(自身を除く): 873559378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1339813, 2679626, 6699065, 13398130, 17417569, 33495325, 34835138, 66990650, 87087845, 174175690, 435439225, 870878450]

約数ペア:

[(1, 870878450), (2, 435439225), (5, 174175690), (10, 87087845), (13, 66990650), (25, 34835138), (26, 33495325), (50, 17417569), (65, 13398130), (130, 6699065), (325, 2679626), (650, 1339813)]