68488240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{50359}}^1$

素因数の和:50389

約数の個数: 40

約数和(自身を含む): 168605280

約数和(自身を除く): 100117040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 50359, 100718, 201436, 251795, 402872, 503590, 805744, 856103, 1007180, 1712206, 2014360, 3424412, 4028720, 4280515, 6848824, 8561030, 13697648, 17122060, 34244120, 68488240]

約数ペア:

[(1, 68488240), (2, 34244120), (4, 17122060), (5, 13697648), (8, 8561030), (10, 6848824), (16, 4280515), (17, 4028720), (20, 3424412), (34, 2014360), (40, 1712206), (68, 1007180), (80, 856103), (85, 805744), (136, 503590), (170, 402872), (272, 251795), (340, 201436), (680, 100718), (1360, 50359)]