848569720

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{68213}}^1$

素因数の和:68535

約数の個数: 32

約数和(自身を含む): 1915449120

約数和(自身を除く): 1066879400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 68213, 136426, 272852, 341065, 545704, 682130, 1364260, 2728520, 21214243, 42428486, 84856972, 106071215, 169713944, 212142430, 424284860, 848569720]

約数ペア:

[(1, 848569720), (2, 424284860), (4, 212142430), (5, 169713944), (8, 106071215), (10, 84856972), (20, 42428486), (40, 21214243), (311, 2728520), (622, 1364260), (1244, 682130), (1555, 545704), (2488, 341065), (3110, 272852), (6220, 136426), (12440, 68213)]