16140040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 42249600

約数和(自身を除く): 26109560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 977, 1180, 1652, 1954, 2065, 2360, 3304, 3908, 4130, 4885, 6839, 7816, 8260, 9770, 13678, 16520, 19540, 27356, 34195, 39080, 54712, 57643, 68390, 115286, 136780, 230572, 273560, 288215, 403501, 461144, 576430, 807002, 1152860, 1614004, 2017505, 2305720, 3228008, 4035010, 8070020, 16140040]

約数ペア:

[(1, 16140040), (2, 8070020), (4, 4035010), (5, 3228008), (7, 2305720), (8, 2017505), (10, 1614004), (14, 1152860), (20, 807002), (28, 576430), (35, 461144), (40, 403501), (56, 288215), (59, 273560), (70, 230572), (118, 136780), (140, 115286), (236, 68390), (280, 57643), (295, 54712), (413, 39080), (472, 34195), (590, 27356), (826, 19540), (977, 16520), (1180, 13678), (1652, 9770), (1954, 8260), (2065, 7816), (2360, 6839), (3304, 4885), (3908, 4130)]