40628380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 92363040

約数和(自身を除く): 51734660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 509, 614, 1018, 1228, 1535, 2036, 2545, 3070, 3991, 5090, 6140, 6617, 7982, 10180, 13234, 15964, 19955, 26468, 33085, 39910, 66170, 79820, 132340, 156263, 312526, 625052, 781315, 1562630, 2031419, 3125260, 4062838, 8125676, 10157095, 20314190, 40628380]

約数ペア:

[(1, 40628380), (2, 20314190), (4, 10157095), (5, 8125676), (10, 4062838), (13, 3125260), (20, 2031419), (26, 1562630), (52, 781315), (65, 625052), (130, 312526), (260, 156263), (307, 132340), (509, 79820), (614, 66170), (1018, 39910), (1228, 33085), (1535, 26468), (2036, 19955), (2545, 15964), (3070, 13234), (3991, 10180), (5090, 7982), (6140, 6617)]