38872340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{487}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 88378752

約数和(自身を除く): 49506412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 487, 614, 974, 1228, 1535, 1948, 2435, 3070, 3991, 4870, 6140, 6331, 7982, 9740, 12662, 15964, 19955, 25324, 31655, 39910, 63310, 79820, 126620, 149509, 299018, 598036, 747545, 1495090, 1943617, 2990180, 3887234, 7774468, 9718085, 19436170, 38872340]

約数ペア:

[(1, 38872340), (2, 19436170), (4, 9718085), (5, 7774468), (10, 3887234), (13, 2990180), (20, 1943617), (26, 1495090), (52, 747545), (65, 598036), (130, 299018), (260, 149509), (307, 126620), (487, 79820), (614, 63310), (974, 39910), (1228, 31655), (1535, 25324), (1948, 19955), (2435, 15964), (3070, 12662), (3991, 9740), (4870, 7982), (6140, 6331)]