71183440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28703}}^1$

素因数の和:28747

約数の個数: 40

約数和(自身を含む): 170846208

約数和(自身を除く): 99662768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28703, 57406, 114812, 143515, 229624, 287030, 459248, 574060, 889793, 1148120, 1779586, 2296240, 3559172, 4448965, 7118344, 8897930, 14236688, 17795860, 35591720, 71183440]

約数ペア:

[(1, 71183440), (2, 35591720), (4, 17795860), (5, 14236688), (8, 8897930), (10, 7118344), (16, 4448965), (20, 3559172), (31, 2296240), (40, 1779586), (62, 1148120), (80, 889793), (124, 574060), (155, 459248), (248, 287030), (310, 229624), (496, 143515), (620, 114812), (1240, 57406), (2480, 28703)]