40544920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{757}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 99328320

約数和(自身を除く): 58783400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 757, 824, 1030, 1339, 1514, 2060, 2678, 3028, 3785, 4120, 5356, 6056, 6695, 7570, 9841, 10712, 13390, 15140, 19682, 26780, 30280, 39364, 49205, 53560, 77971, 78728, 98410, 155942, 196820, 311884, 389855, 393640, 623768, 779710, 1013623, 1559420, 2027246, 3118840, 4054492, 5068115, 8108984, 10136230, 20272460, 40544920]

約数ペア:

[(1, 40544920), (2, 20272460), (4, 10136230), (5, 8108984), (8, 5068115), (10, 4054492), (13, 3118840), (20, 2027246), (26, 1559420), (40, 1013623), (52, 779710), (65, 623768), (103, 393640), (104, 389855), (130, 311884), (206, 196820), (260, 155942), (412, 98410), (515, 78728), (520, 77971), (757, 53560), (824, 49205), (1030, 39364), (1339, 30280), (1514, 26780), (2060, 19682), (2678, 15140), (3028, 13390), (3785, 10712), (4120, 9841), (5356, 7570), (6056, 6695)]