4272020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 9652608

約数和(自身を除く): 5380588

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 251, 370, 460, 502, 740, 851, 1004, 1255, 1702, 2510, 3404, 4255, 5020, 5773, 8510, 9287, 11546, 17020, 18574, 23092, 28865, 37148, 46435, 57730, 92870, 115460, 185740, 213601, 427202, 854404, 1068005, 2136010, 4272020]

約数ペア:

[(1, 4272020), (2, 2136010), (4, 1068005), (5, 854404), (10, 427202), (20, 213601), (23, 185740), (37, 115460), (46, 92870), (74, 57730), (92, 46435), (115, 37148), (148, 28865), (185, 23092), (230, 18574), (251, 17020), (370, 11546), (460, 9287), (502, 8510), (740, 5773), (851, 5020), (1004, 4255), (1255, 3404), (1702, 2510)]