28293040

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4261}}^1$

素因数の和:4357

約数の個数: 40

約数和(自身を含む): 66589488

約数和(自身を除く): 38296448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4261, 6640, 8522, 17044, 21305, 34088, 42610, 68176, 85220, 170440, 340880, 353663, 707326, 1414652, 1768315, 2829304, 3536630, 5658608, 7073260, 14146520, 28293040]

約数ペア:

[(1, 28293040), (2, 14146520), (4, 7073260), (5, 5658608), (8, 3536630), (10, 2829304), (16, 1768315), (20, 1414652), (40, 707326), (80, 353663), (83, 340880), (166, 170440), (332, 85220), (415, 68176), (664, 42610), (830, 34088), (1328, 21305), (1660, 17044), (3320, 8522), (4261, 6640)]