27979360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5641}}^1$

素因数の和:5687

約数の個数: 48

約数和(自身を含む): 68245632

約数和(自身を除く): 40266272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5641, 11282, 22564, 28205, 45128, 56410, 90256, 112820, 174871, 180512, 225640, 349742, 451280, 699484, 874355, 902560, 1398968, 1748710, 2797936, 3497420, 5595872, 6994840, 13989680, 27979360]

約数ペア:

[(1, 27979360), (2, 13989680), (4, 6994840), (5, 5595872), (8, 3497420), (10, 2797936), (16, 1748710), (20, 1398968), (31, 902560), (32, 874355), (40, 699484), (62, 451280), (80, 349742), (124, 225640), (155, 180512), (160, 174871), (248, 112820), (310, 90256), (496, 56410), (620, 45128), (992, 28205), (1240, 22564), (2480, 11282), (4960, 5641)]