42887140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 92252160

約数和(自身を除く): 49365020

約数列:

[1, 2, 4, 5, 10, 20, 103, 109, 191, 206, 218, 382, 412, 436, 515, 545, 764, 955, 1030, 1090, 1910, 2060, 2180, 3820, 11227, 19673, 20819, 22454, 39346, 41638, 44908, 56135, 78692, 83276, 98365, 104095, 112270, 196730, 208190, 224540, 393460, 416380, 2144357, 4288714, 8577428, 10721785, 21443570, 42887140]

約数ペア:

[(1, 42887140), (2, 21443570), (4, 10721785), (5, 8577428), (10, 4288714), (20, 2144357), (103, 416380), (109, 393460), (191, 224540), (206, 208190), (218, 196730), (382, 112270), (412, 104095), (436, 98365), (515, 83276), (545, 78692), (764, 56135), (955, 44908), (1030, 41638), (1090, 39346), (1910, 22454), (2060, 20819), (2180, 19673), (3820, 11227)]