27729040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20389}}^1$

素因数の和:20419

約数の個数: 40

約数和(自身を含む): 68265720

約数和(自身を除く): 40536680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20389, 40778, 81556, 101945, 163112, 203890, 326224, 346613, 407780, 693226, 815560, 1386452, 1631120, 1733065, 2772904, 3466130, 5545808, 6932260, 13864520, 27729040]

約数ペア:

[(1, 27729040), (2, 13864520), (4, 6932260), (5, 5545808), (8, 3466130), (10, 2772904), (16, 1733065), (17, 1631120), (20, 1386452), (34, 815560), (40, 693226), (68, 407780), (80, 346613), (85, 326224), (136, 203890), (170, 163112), (272, 101945), (340, 81556), (680, 40778), (1360, 20389)]