16081240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 41932800

約数和(自身を除く): 25851560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 727, 790, 1106, 1454, 1580, 2212, 2765, 2908, 3160, 3635, 4424, 5089, 5530, 5816, 7270, 10178, 11060, 14540, 20356, 22120, 25445, 29080, 40712, 50890, 57433, 101780, 114866, 203560, 229732, 287165, 402031, 459464, 574330, 804062, 1148660, 1608124, 2010155, 2297320, 3216248, 4020310, 8040620, 16081240]

約数ペア:

[(1, 16081240), (2, 8040620), (4, 4020310), (5, 3216248), (7, 2297320), (8, 2010155), (10, 1608124), (14, 1148660), (20, 804062), (28, 574330), (35, 459464), (40, 402031), (56, 287165), (70, 229732), (79, 203560), (140, 114866), (158, 101780), (280, 57433), (316, 50890), (395, 40712), (553, 29080), (632, 25445), (727, 22120), (790, 20356), (1106, 14540), (1454, 11060), (1580, 10178), (2212, 7270), (2765, 5816), (2908, 5530), (3160, 5089), (3635, 4424)]