25790920

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{809}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 58174200

約数和(自身を除く): 32383280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 809, 1594, 1618, 3188, 3236, 3985, 4045, 6376, 6472, 7970, 8090, 15940, 16180, 31880, 32360, 644773, 1289546, 2579092, 3223865, 5158184, 6447730, 12895460, 25790920]

約数ペア:

[(1, 25790920), (2, 12895460), (4, 6447730), (5, 5158184), (8, 3223865), (10, 2579092), (20, 1289546), (40, 644773), (797, 32360), (809, 31880), (1594, 16180), (1618, 15940), (3188, 8090), (3236, 7970), (3985, 6472), (4045, 6376)]