56404660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 128115792

約数和(自身を除く): 71711132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 401, 541, 802, 1082, 1604, 2005, 2164, 2705, 4010, 5213, 5410, 7033, 8020, 10426, 10820, 14066, 20852, 26065, 28132, 35165, 52130, 70330, 104260, 140660, 216941, 433882, 867764, 1084705, 2169410, 2820233, 4338820, 5640466, 11280932, 14101165, 28202330, 56404660]

約数ペア:

[(1, 56404660), (2, 28202330), (4, 14101165), (5, 11280932), (10, 5640466), (13, 4338820), (20, 2820233), (26, 2169410), (52, 1084705), (65, 867764), (130, 433882), (260, 216941), (401, 140660), (541, 104260), (802, 70330), (1082, 52130), (1604, 35165), (2005, 28132), (2164, 26065), (2705, 20852), (4010, 14066), (5213, 10820), (5410, 10426), (7033, 8020)]