26539720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 38778680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 1259, 2108, 2518, 2635, 4216, 5036, 5270, 6295, 10072, 10540, 12590, 21080, 21403, 25180, 39029, 42806, 50360, 78058, 85612, 107015, 156116, 171224, 195145, 214030, 312232, 390290, 428060, 663493, 780580, 856120, 1326986, 1561160, 2653972, 3317465, 5307944, 6634930, 13269860, 26539720]

約数ペア:

[(1, 26539720), (2, 13269860), (4, 6634930), (5, 5307944), (8, 3317465), (10, 2653972), (17, 1561160), (20, 1326986), (31, 856120), (34, 780580), (40, 663493), (62, 428060), (68, 390290), (85, 312232), (124, 214030), (136, 195145), (155, 171224), (170, 156116), (248, 107015), (310, 85612), (340, 78058), (527, 50360), (620, 42806), (680, 39029), (1054, 25180), (1240, 21403), (1259, 21080), (2108, 12590), (2518, 10540), (2635, 10072), (4216, 6295), (5036, 5270)]