87807680

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{829}}^1$

素因数の和:1177

約数の個数: 56

約数和(自身を含む): 209976720

約数和(自身を除く): 122169040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 829, 1324, 1655, 1658, 2648, 3310, 3316, 4145, 5296, 6620, 6632, 8290, 10592, 13240, 13264, 16580, 21184, 26480, 26528, 33160, 52960, 53056, 66320, 105920, 132640, 265280, 274399, 548798, 1097596, 1371995, 2195192, 2743990, 4390384, 5487980, 8780768, 10975960, 17561536, 21951920, 43903840, 87807680]

約数ペア:

[(1, 87807680), (2, 43903840), (4, 21951920), (5, 17561536), (8, 10975960), (10, 8780768), (16, 5487980), (20, 4390384), (32, 2743990), (40, 2195192), (64, 1371995), (80, 1097596), (160, 548798), (320, 274399), (331, 265280), (662, 132640), (829, 105920), (1324, 66320), (1655, 53056), (1658, 52960), (2648, 33160), (3310, 26528), (3316, 26480), (4145, 21184), (5296, 16580), (6620, 13264), (6632, 13240), (8290, 10592)]