69963280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28211}}^1$

素因数の和:28255

約数の個数: 40

約数和(自身を含む): 167917824

約数和(自身を除く): 97954544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28211, 56422, 112844, 141055, 225688, 282110, 451376, 564220, 874541, 1128440, 1749082, 2256880, 3498164, 4372705, 6996328, 8745410, 13992656, 17490820, 34981640, 69963280]

約数ペア:

[(1, 69963280), (2, 34981640), (4, 17490820), (5, 13992656), (8, 8745410), (10, 6996328), (16, 4372705), (20, 3498164), (31, 2256880), (40, 1749082), (62, 1128440), (80, 874541), (124, 564220), (155, 451376), (248, 282110), (310, 225688), (496, 141055), (620, 112844), (1240, 56422), (2480, 28211)]