85465760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17231}}^1$

素因数の和:17277

約数の個数: 48

約数和(自身を含む): 208438272

約数和(自身を除く): 122972512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 17231, 34462, 68924, 86155, 137848, 172310, 275696, 344620, 534161, 551392, 689240, 1068322, 1378480, 2136644, 2670805, 2756960, 4273288, 5341610, 8546576, 10683220, 17093152, 21366440, 42732880, 85465760]

約数ペア:

[(1, 85465760), (2, 42732880), (4, 21366440), (5, 17093152), (8, 10683220), (10, 8546576), (16, 5341610), (20, 4273288), (31, 2756960), (32, 2670805), (40, 2136644), (62, 1378480), (80, 1068322), (124, 689240), (155, 551392), (160, 534161), (248, 344620), (310, 275696), (496, 172310), (620, 137848), (992, 86155), (1240, 68924), (2480, 34462), (4960, 17231)]