28280680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22807}}^1$

素因数の和:22849

約数の個数: 32

約数和(自身を含む): 65687040

約数和(自身を除く): 37406360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22807, 45614, 91228, 114035, 182456, 228070, 456140, 707017, 912280, 1414034, 2828068, 3535085, 5656136, 7070170, 14140340, 28280680]

約数ペア:

[(1, 28280680), (2, 14140340), (4, 7070170), (5, 5656136), (8, 3535085), (10, 2828068), (20, 1414034), (31, 912280), (40, 707017), (62, 456140), (124, 228070), (155, 182456), (248, 114035), (310, 91228), (620, 45614), (1240, 22807)]