40890772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 80840592

約数和(自身を除く): 39949820

約数列:

[1, 2, 4, 13, 26, 37, 52, 53, 74, 106, 148, 212, 401, 481, 689, 802, 962, 1378, 1604, 1924, 1961, 2756, 3922, 5213, 7844, 10426, 14837, 20852, 21253, 25493, 29674, 42506, 50986, 59348, 85012, 101972, 192881, 276289, 385762, 552578, 771524, 786361, 1105156, 1572722, 3145444, 10222693, 20445386, 40890772]

約数ペア:

[(1, 40890772), (2, 20445386), (4, 10222693), (13, 3145444), (26, 1572722), (37, 1105156), (52, 786361), (53, 771524), (74, 552578), (106, 385762), (148, 276289), (212, 192881), (401, 101972), (481, 85012), (689, 59348), (802, 50986), (962, 42506), (1378, 29674), (1604, 25493), (1924, 21253), (1961, 20852), (2756, 14837), (3922, 10426), (5213, 7844)]