26149000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 62150400

約数和(自身を除く): 36001400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 331, 395, 500, 632, 662, 790, 1000, 1324, 1580, 1655, 1975, 2648, 3160, 3310, 3950, 6620, 7900, 8275, 9875, 13240, 15800, 16550, 19750, 26149, 33100, 39500, 41375, 52298, 66200, 79000, 82750, 104596, 130745, 165500, 209192, 261490, 331000, 522980, 653725, 1045960, 1307450, 2614900, 3268625, 5229800, 6537250, 13074500, 26149000]

約数ペア:

[(1, 26149000), (2, 13074500), (4, 6537250), (5, 5229800), (8, 3268625), (10, 2614900), (20, 1307450), (25, 1045960), (40, 653725), (50, 522980), (79, 331000), (100, 261490), (125, 209192), (158, 165500), (200, 130745), (250, 104596), (316, 82750), (331, 79000), (395, 66200), (500, 52298), (632, 41375), (662, 39500), (790, 33100), (1000, 26149), (1324, 19750), (1580, 16550), (1655, 15800), (1975, 13240), (2648, 9875), (3160, 8275), (3310, 7900), (3950, 6620)]