39799720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 95878080

約数和(自身を除く): 56078360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 428, 535, 547, 680, 856, 1070, 1094, 1819, 2140, 2188, 2735, 3638, 4280, 4376, 5470, 7276, 9095, 9299, 10940, 14552, 18190, 18598, 21880, 36380, 37196, 46495, 58529, 72760, 74392, 92990, 117058, 185980, 234116, 292645, 371960, 468232, 585290, 994993, 1170580, 1989986, 2341160, 3979972, 4974965, 7959944, 9949930, 19899860, 39799720]

約数ペア:

[(1, 39799720), (2, 19899860), (4, 9949930), (5, 7959944), (8, 4974965), (10, 3979972), (17, 2341160), (20, 1989986), (34, 1170580), (40, 994993), (68, 585290), (85, 468232), (107, 371960), (136, 292645), (170, 234116), (214, 185980), (340, 117058), (428, 92990), (535, 74392), (547, 72760), (680, 58529), (856, 46495), (1070, 37196), (1094, 36380), (1819, 21880), (2140, 18598), (2188, 18190), (2735, 14552), (3638, 10940), (4280, 9299), (4376, 9095), (5470, 7276)]