16256940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{38707}}^1$

素因数の和:38726

約数の個数: 48

約数和(自身を含む): 52023552

約数和(自身を除く): 35766612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 38707, 77414, 116121, 154828, 193535, 232242, 270949, 387070, 464484, 541898, 580605, 774140, 812847, 1083796, 1161210, 1354745, 1625694, 2322420, 2709490, 3251388, 4064235, 5418980, 8128470, 16256940]

約数ペア:

[(1, 16256940), (2, 8128470), (3, 5418980), (4, 4064235), (5, 3251388), (6, 2709490), (7, 2322420), (10, 1625694), (12, 1354745), (14, 1161210), (15, 1083796), (20, 812847), (21, 774140), (28, 580605), (30, 541898), (35, 464484), (42, 387070), (60, 270949), (70, 232242), (84, 193535), (105, 154828), (140, 116121), (210, 77414), (420, 38707)]