42457720

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3413}}^1$

素因数の和:3735

約数の個数: 32

約数和(自身を含む): 95865120

約数和(自身を除く): 53407400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 3413, 6220, 6826, 12440, 13652, 17065, 27304, 34130, 68260, 136520, 1061443, 2122886, 4245772, 5307215, 8491544, 10614430, 21228860, 42457720]

約数ペア:

[(1, 42457720), (2, 21228860), (4, 10614430), (5, 8491544), (8, 5307215), (10, 4245772), (20, 2122886), (40, 1061443), (311, 136520), (622, 68260), (1244, 34130), (1555, 27304), (2488, 17065), (3110, 13652), (3413, 12440), (6220, 6826)]