505920320

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38561}}^1$

素因数の和:38619

約数の個数: 56

約数和(自身を含む): 1234138248

約数和(自身を除く): 728217928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 38561, 77122, 154244, 192805, 308488, 385610, 616976, 771220, 1233952, 1542440, 1581001, 2467904, 3084880, 3162002, 6169760, 6324004, 7905005, 12339520, 12648008, 15810010, 25296016, 31620020, 50592032, 63240040, 101184064, 126480080, 252960160, 505920320]

約数ペア:

[(1, 505920320), (2, 252960160), (4, 126480080), (5, 101184064), (8, 63240040), (10, 50592032), (16, 31620020), (20, 25296016), (32, 15810010), (40, 12648008), (41, 12339520), (64, 7905005), (80, 6324004), (82, 6169760), (160, 3162002), (164, 3084880), (205, 2467904), (320, 1581001), (328, 1542440), (410, 1233952), (656, 771220), (820, 616976), (1312, 385610), (1640, 308488), (2624, 192805), (3280, 154244), (6560, 77122), (13120, 38561)]