25744940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 58974048

約数和(自身を除く): 33229108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1193, 1660, 2158, 2386, 4316, 4772, 5395, 5965, 10790, 11930, 15509, 21580, 23860, 31018, 62036, 77545, 99019, 155090, 198038, 310180, 396076, 495095, 990190, 1287247, 1980380, 2574494, 5148988, 6436235, 12872470, 25744940]

約数ペア:

[(1, 25744940), (2, 12872470), (4, 6436235), (5, 5148988), (10, 2574494), (13, 1980380), (20, 1287247), (26, 990190), (52, 495095), (65, 396076), (83, 310180), (130, 198038), (166, 155090), (260, 99019), (332, 77545), (415, 62036), (830, 31018), (1079, 23860), (1193, 21580), (1660, 15509), (2158, 11930), (2386, 10790), (4316, 5965), (4772, 5395)]