39510920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16193}}^1$

素因数の和:16265

約数の個数: 32

約数和(自身を含む): 90362520

約数和(自身を除く): 50851600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16193, 32386, 64772, 80965, 129544, 161930, 323860, 647720, 987773, 1975546, 3951092, 4938865, 7902184, 9877730, 19755460, 39510920]

約数ペア:

[(1, 39510920), (2, 19755460), (4, 9877730), (5, 7902184), (8, 4938865), (10, 3951092), (20, 1975546), (40, 987773), (61, 647720), (122, 323860), (244, 161930), (305, 129544), (488, 80965), (610, 64772), (1220, 32386), (2440, 16193)]