38851720

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1931}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 87635520

約数和(自身を除く): 48783800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 1931, 2012, 2515, 3862, 4024, 5030, 7724, 9655, 10060, 15448, 19310, 20120, 38620, 77240, 971293, 1942586, 3885172, 4856465, 7770344, 9712930, 19425860, 38851720]

約数ペア:

[(1, 38851720), (2, 19425860), (4, 9712930), (5, 7770344), (8, 4856465), (10, 3885172), (20, 1942586), (40, 971293), (503, 77240), (1006, 38620), (1931, 20120), (2012, 19310), (2515, 15448), (3862, 10060), (4024, 9655), (5030, 7724)]