16256420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 36514800

約数和(自身を除く): 20258380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 349, 548, 685, 698, 1370, 1396, 1745, 2329, 2740, 3490, 4658, 5933, 6980, 9316, 11645, 11866, 23290, 23732, 29665, 46580, 47813, 59330, 95626, 118660, 191252, 239065, 478130, 812821, 956260, 1625642, 3251284, 4064105, 8128210, 16256420]

約数ペア:

[(1, 16256420), (2, 8128210), (4, 4064105), (5, 3251284), (10, 1625642), (17, 956260), (20, 812821), (34, 478130), (68, 239065), (85, 191252), (137, 118660), (170, 95626), (274, 59330), (340, 47813), (349, 46580), (548, 29665), (685, 23732), (698, 23290), (1370, 11866), (1396, 11645), (1745, 9316), (2329, 6980), (2740, 5933), (3490, 4658)]