127487960

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{9629}}^1$

素因数の和:9971

約数の個数: 32

約数和(自身を含む): 287744400

約数和(自身を除く): 160256440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 9629, 13240, 19258, 38516, 48145, 77032, 96290, 192580, 385160, 3187199, 6374398, 12748796, 15935995, 25497592, 31871990, 63743980, 127487960]

約数ペア:

[(1, 127487960), (2, 63743980), (4, 31871990), (5, 25497592), (8, 15935995), (10, 12748796), (20, 6374398), (40, 3187199), (331, 385160), (662, 192580), (1324, 96290), (1655, 77032), (2648, 48145), (3310, 38516), (6620, 19258), (9629, 13240)]