23716720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3331}}^1$

素因数の和:3433

約数の個数: 40

約数和(自身を含む): 55777680

約数和(自身を除く): 32060960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3331, 3560, 6662, 7120, 13324, 16655, 26648, 33310, 53296, 66620, 133240, 266480, 296459, 592918, 1185836, 1482295, 2371672, 2964590, 4743344, 5929180, 11858360, 23716720]

約数ペア:

[(1, 23716720), (2, 11858360), (4, 5929180), (5, 4743344), (8, 2964590), (10, 2371672), (16, 1482295), (20, 1185836), (40, 592918), (80, 296459), (89, 266480), (178, 133240), (356, 66620), (445, 53296), (712, 33310), (890, 26648), (1424, 16655), (1780, 13324), (3331, 7120), (3560, 6662)]