80321290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7127}}^1$

素因数の和:7171

約数の個数: 48

約数和(自身を含む): 175519872

約数和(自身を除く): 95198582

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 5635, 7127, 11270, 14254, 35635, 49889, 71270, 99778, 163921, 249445, 327842, 349223, 498890, 698446, 819605, 1147447, 1639210, 1746115, 2294894, 3492230, 5737235, 8032129, 11474470, 16064258, 40160645, 80321290]

約数ペア:

[(1, 80321290), (2, 40160645), (5, 16064258), (7, 11474470), (10, 8032129), (14, 5737235), (23, 3492230), (35, 2294894), (46, 1746115), (49, 1639210), (70, 1147447), (98, 819605), (115, 698446), (161, 498890), (230, 349223), (245, 327842), (322, 249445), (490, 163921), (805, 99778), (1127, 71270), (1610, 49889), (2254, 35635), (5635, 14254), (7127, 11270)]