81185200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11939}}^1$

素因数の和:11974

約数の個数: 60

約数和(自身を含む): 206538120

約数和(自身を除く): 125352920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 11939, 23878, 47756, 59695, 95512, 119390, 191024, 202963, 238780, 298475, 405926, 477560, 596950, 811852, 955120, 1014815, 1193900, 1623704, 2029630, 2387800, 3247408, 4059260, 4775600, 5074075, 8118520, 10148150, 16237040, 20296300, 40592600, 81185200]

約数ペア:

[(1, 81185200), (2, 40592600), (4, 20296300), (5, 16237040), (8, 10148150), (10, 8118520), (16, 5074075), (17, 4775600), (20, 4059260), (25, 3247408), (34, 2387800), (40, 2029630), (50, 1623704), (68, 1193900), (80, 1014815), (85, 955120), (100, 811852), (136, 596950), (170, 477560), (200, 405926), (272, 298475), (340, 238780), (400, 202963), (425, 191024), (680, 119390), (850, 95512), (1360, 59695), (1700, 47756), (3400, 23878), (6800, 11939)]