2539640

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 5762880

約数和(自身を除く): 3223240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 367, 692, 734, 865, 1384, 1468, 1730, 1835, 2936, 3460, 3670, 6920, 7340, 14680, 63491, 126982, 253964, 317455, 507928, 634910, 1269820, 2539640]

約数ペア:

[(1, 2539640), (2, 1269820), (4, 634910), (5, 507928), (8, 317455), (10, 253964), (20, 126982), (40, 63491), (173, 14680), (346, 7340), (367, 6920), (692, 3670), (734, 3460), (865, 2936), (1384, 1835), (1468, 1730)]