47896780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 102896640

約数和(自身を除く): 54999860

約数列:

[1, 2, 4, 5, 10, 20, 109, 127, 173, 218, 254, 346, 436, 508, 545, 635, 692, 865, 1090, 1270, 1730, 2180, 2540, 3460, 13843, 18857, 21971, 27686, 37714, 43942, 55372, 69215, 75428, 87884, 94285, 109855, 138430, 188570, 219710, 276860, 377140, 439420, 2394839, 4789678, 9579356, 11974195, 23948390, 47896780]

約数ペア:

[(1, 47896780), (2, 23948390), (4, 11974195), (5, 9579356), (10, 4789678), (20, 2394839), (109, 439420), (127, 377140), (173, 276860), (218, 219710), (254, 188570), (346, 138430), (436, 109855), (508, 94285), (545, 87884), (635, 75428), (692, 69215), (865, 55372), (1090, 43942), (1270, 37714), (1730, 27686), (2180, 21971), (2540, 18857), (3460, 13843)]