8641720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5839}}^1$

素因数の和:5887

約数の個数: 32

約数和(自身を含む): 19972800

約数和(自身を除く): 11331080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 5839, 11678, 23356, 29195, 46712, 58390, 116780, 216043, 233560, 432086, 864172, 1080215, 1728344, 2160430, 4320860, 8641720]

約数ペア:

[(1, 8641720), (2, 4320860), (4, 2160430), (5, 1728344), (8, 1080215), (10, 864172), (20, 432086), (37, 233560), (40, 216043), (74, 116780), (148, 58390), (185, 46712), (296, 29195), (370, 23356), (740, 11678), (1480, 5839)]