80697815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 109278720

約数和(自身を除く): 28580905

約数列:

[1, 5, 11, 55, 61, 67, 305, 335, 359, 671, 737, 1795, 3355, 3685, 3949, 4087, 19745, 20435, 21899, 24053, 44957, 109495, 120265, 224785, 240889, 264583, 1204445, 1322915, 1467233, 7336165, 16139563, 80697815]

約数ペア:

[(1, 80697815), (5, 16139563), (11, 7336165), (55, 1467233), (61, 1322915), (67, 1204445), (305, 264583), (335, 240889), (359, 224785), (671, 120265), (737, 109495), (1795, 44957), (3355, 24053), (3685, 21899), (3949, 20435), (4087, 19745)]