5425040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3989}}^1$

素因数の和:4019

約数の個数: 40

約数和(自身を含む): 13358520

約数和(自身を除く): 7933480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 3989, 7978, 15956, 19945, 31912, 39890, 63824, 67813, 79780, 135626, 159560, 271252, 319120, 339065, 542504, 678130, 1085008, 1356260, 2712520, 5425040]

約数ペア:

[(1, 5425040), (2, 2712520), (4, 1356260), (5, 1085008), (8, 678130), (10, 542504), (16, 339065), (17, 319120), (20, 271252), (34, 159560), (40, 135626), (68, 79780), (80, 67813), (85, 63824), (136, 39890), (170, 31912), (272, 19945), (340, 15956), (680, 7978), (1360, 3989)]