40198720

素因数分解:

$2^6\times 5^1\times {\mathrm{125621}}^1$

素因数の和:125638

約数の個数: 28

約数和(自身を含む): 95723964

約数和(自身を除く): 55525244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 125621, 251242, 502484, 628105, 1004968, 1256210, 2009936, 2512420, 4019872, 5024840, 8039744, 10049680, 20099360, 40198720]

約数ペア:

[(1, 40198720), (2, 20099360), (4, 10049680), (5, 8039744), (8, 5024840), (10, 4019872), (16, 2512420), (20, 2009936), (32, 1256210), (40, 1004968), (64, 628105), (80, 502484), (160, 251242), (320, 125621)]