83815940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10399}}^1$

素因数の和:10452

約数の個数: 48

約数和(自身を含む): 195686400

約数和(自身を除く): 111870460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10399, 20798, 41596, 51995, 103990, 135187, 207980, 270374, 322369, 540748, 644738, 675935, 1289476, 1351870, 1611845, 2703740, 3223690, 4190797, 6447380, 8381594, 16763188, 20953985, 41907970, 83815940]

約数ペア:

[(1, 83815940), (2, 41907970), (4, 20953985), (5, 16763188), (10, 8381594), (13, 6447380), (20, 4190797), (26, 3223690), (31, 2703740), (52, 1611845), (62, 1351870), (65, 1289476), (124, 675935), (130, 644738), (155, 540748), (260, 322369), (310, 270374), (403, 207980), (620, 135187), (806, 103990), (1612, 51995), (2015, 41596), (4030, 20798), (8060, 10399)]