81438860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5711}}^1$

素因数の和:5774

約数の個数: 48

約数和(自身を含む): 184246272

約数和(自身を除く): 102807412

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 5711, 7130, 11422, 14260, 22844, 28555, 57110, 114220, 131353, 177041, 262706, 354082, 525412, 656765, 708164, 885205, 1313530, 1770410, 2627060, 3540820, 4071943, 8143886, 16287772, 20359715, 40719430, 81438860]

約数ペア:

[(1, 81438860), (2, 40719430), (4, 20359715), (5, 16287772), (10, 8143886), (20, 4071943), (23, 3540820), (31, 2627060), (46, 1770410), (62, 1313530), (92, 885205), (115, 708164), (124, 656765), (155, 525412), (230, 354082), (310, 262706), (460, 177041), (620, 131353), (713, 114220), (1426, 57110), (2852, 28555), (3565, 22844), (5711, 14260), (7130, 11422)]