803485160

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{30389}}^1$

素因数の和:31061

約数の個数: 32

約数和(自身を含む): 1810636200

約数和(自身を除く): 1007151040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 13220, 26440, 30389, 60778, 121556, 151945, 243112, 303890, 607780, 1215560, 20087129, 40174258, 80348516, 100435645, 160697032, 200871290, 401742580, 803485160]

約数ペア:

[(1, 803485160), (2, 401742580), (4, 200871290), (5, 160697032), (8, 100435645), (10, 80348516), (20, 40174258), (40, 20087129), (661, 1215560), (1322, 607780), (2644, 303890), (3305, 243112), (5288, 151945), (6610, 121556), (13220, 60778), (26440, 30389)]