74477320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45413}}^1$

素因数の和:45465

約数の個数: 32

約数和(自身を含む): 171664920

約数和(自身を除く): 97187600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 45413, 90826, 181652, 227065, 363304, 454130, 908260, 1816520, 1861933, 3723866, 7447732, 9309665, 14895464, 18619330, 37238660, 74477320]

約数ペア:

[(1, 74477320), (2, 37238660), (4, 18619330), (5, 14895464), (8, 9309665), (10, 7447732), (20, 3723866), (40, 1861933), (41, 1816520), (82, 908260), (164, 454130), (205, 363304), (328, 227065), (410, 181652), (820, 90826), (1640, 45413)]