71787280

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2711}}^1$

素因数の和:3055

約数の個数: 40

約数和(自身を含む): 167471424

約数和(自身を除く): 95684144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 2711, 3310, 5296, 5422, 6620, 10844, 13240, 13555, 21688, 26480, 27110, 43376, 54220, 108440, 216880, 897341, 1794682, 3589364, 4486705, 7178728, 8973410, 14357456, 17946820, 35893640, 71787280]

約数ペア:

[(1, 71787280), (2, 35893640), (4, 17946820), (5, 14357456), (8, 8973410), (10, 7178728), (16, 4486705), (20, 3589364), (40, 1794682), (80, 897341), (331, 216880), (662, 108440), (1324, 54220), (1655, 43376), (2648, 27110), (2711, 26480), (3310, 21688), (5296, 13555), (5422, 13240), (6620, 10844)]