71319800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8293}}^1$

素因数の和:8352

約数の個数: 48

約数和(自身を含む): 169695240

約数和(自身を除く): 98375440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8293, 8600, 16586, 33172, 41465, 66344, 82930, 165860, 207325, 331720, 356599, 414650, 713198, 829300, 1426396, 1658600, 1782995, 2852792, 3565990, 7131980, 8914975, 14263960, 17829950, 35659900, 71319800]

約数ペア:

[(1, 71319800), (2, 35659900), (4, 17829950), (5, 14263960), (8, 8914975), (10, 7131980), (20, 3565990), (25, 2852792), (40, 1782995), (43, 1658600), (50, 1426396), (86, 829300), (100, 713198), (172, 414650), (200, 356599), (215, 331720), (344, 207325), (430, 165860), (860, 82930), (1075, 66344), (1720, 41465), (2150, 33172), (4300, 16586), (8293, 8600)]