2520520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 5769720

約数和(自身を除く): 3249200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1033, 1220, 2066, 2440, 4132, 5165, 8264, 10330, 20660, 41320, 63013, 126026, 252052, 315065, 504104, 630130, 1260260, 2520520]

約数ペア:

[(1, 2520520), (2, 1260260), (4, 630130), (5, 504104), (8, 315065), (10, 252052), (20, 126026), (40, 63013), (61, 41320), (122, 20660), (244, 10330), (305, 8264), (488, 5165), (610, 4132), (1033, 2440), (1220, 2066)]