7948240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 18746568

約数和(自身を除く): 10798328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1361, 1460, 2722, 2920, 5444, 5840, 6805, 10888, 13610, 21776, 27220, 54440, 99353, 108880, 198706, 397412, 496765, 794824, 993530, 1589648, 1987060, 3974120, 7948240]

約数ペア:

[(1, 7948240), (2, 3974120), (4, 1987060), (5, 1589648), (8, 993530), (10, 794824), (16, 496765), (20, 397412), (40, 198706), (73, 108880), (80, 99353), (146, 54440), (292, 27220), (365, 21776), (584, 13610), (730, 10888), (1168, 6805), (1361, 5840), (1460, 5444), (2722, 2920)]