206029720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12781}}^1$

素因数の和:12836

約数の個数: 64

約数和(自身を含む): 515370240

約数和(自身を除く): 309340520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 12781, 16120, 25562, 51124, 63905, 102248, 127810, 166153, 255620, 332306, 396211, 511240, 664612, 792422, 830765, 1329224, 1584844, 1661530, 1981055, 3169688, 3323060, 3962110, 5150743, 6646120, 7924220, 10301486, 15848440, 20602972, 25753715, 41205944, 51507430, 103014860, 206029720]

約数ペア:

[(1, 206029720), (2, 103014860), (4, 51507430), (5, 41205944), (8, 25753715), (10, 20602972), (13, 15848440), (20, 10301486), (26, 7924220), (31, 6646120), (40, 5150743), (52, 3962110), (62, 3323060), (65, 3169688), (104, 1981055), (124, 1661530), (130, 1584844), (155, 1329224), (248, 830765), (260, 792422), (310, 664612), (403, 511240), (520, 396211), (620, 332306), (806, 255620), (1240, 166153), (1612, 127810), (2015, 102248), (3224, 63905), (4030, 51124), (8060, 25562), (12781, 16120)]