28680320

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1093}}^1$

素因数の和:1153

約数の個数: 64

約数和(自身を含む): 70300440

約数和(自身を除く): 41620120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1093, 1312, 1640, 2186, 2624, 3280, 4372, 5248, 5465, 6560, 8744, 10930, 13120, 17488, 21860, 26240, 34976, 43720, 44813, 69952, 87440, 89626, 139904, 174880, 179252, 224065, 349760, 358504, 448130, 699520, 717008, 896260, 1434016, 1792520, 2868032, 3585040, 5736064, 7170080, 14340160, 28680320]

約数ペア:

[(1, 28680320), (2, 14340160), (4, 7170080), (5, 5736064), (8, 3585040), (10, 2868032), (16, 1792520), (20, 1434016), (32, 896260), (40, 717008), (41, 699520), (64, 448130), (80, 358504), (82, 349760), (128, 224065), (160, 179252), (164, 174880), (205, 139904), (320, 89626), (328, 87440), (410, 69952), (640, 44813), (656, 43720), (820, 34976), (1093, 26240), (1312, 21860), (1640, 17488), (2186, 13120), (2624, 10930), (3280, 8744), (4372, 6560), (5248, 5465)]