28228160

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5189}}^1$

素因数の和:5223

約数の個数: 56

約数和(自身を含む): 71186040

約数和(自身を除く): 42957880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5189, 5440, 10378, 20756, 25945, 41512, 51890, 83024, 88213, 103780, 166048, 176426, 207560, 332096, 352852, 415120, 441065, 705704, 830240, 882130, 1411408, 1660480, 1764260, 2822816, 3528520, 5645632, 7057040, 14114080, 28228160]

約数ペア:

[(1, 28228160), (2, 14114080), (4, 7057040), (5, 5645632), (8, 3528520), (10, 2822816), (16, 1764260), (17, 1660480), (20, 1411408), (32, 882130), (34, 830240), (40, 705704), (64, 441065), (68, 415120), (80, 352852), (85, 332096), (136, 207560), (160, 176426), (170, 166048), (272, 103780), (320, 88213), (340, 83024), (544, 51890), (680, 41512), (1088, 25945), (1360, 20756), (2720, 10378), (5189, 5440)]