8869720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 21565440

約数和(自身を除く): 12695720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 311, 460, 620, 622, 713, 920, 1240, 1244, 1426, 1555, 2488, 2852, 3110, 3565, 5704, 6220, 7130, 7153, 9641, 12440, 14260, 14306, 19282, 28520, 28612, 35765, 38564, 48205, 57224, 71530, 77128, 96410, 143060, 192820, 221743, 286120, 385640, 443486, 886972, 1108715, 1773944, 2217430, 4434860, 8869720]

約数ペア:

[(1, 8869720), (2, 4434860), (4, 2217430), (5, 1773944), (8, 1108715), (10, 886972), (20, 443486), (23, 385640), (31, 286120), (40, 221743), (46, 192820), (62, 143060), (92, 96410), (115, 77128), (124, 71530), (155, 57224), (184, 48205), (230, 38564), (248, 35765), (310, 28612), (311, 28520), (460, 19282), (620, 14306), (622, 14260), (713, 12440), (920, 9641), (1240, 7153), (1244, 7130), (1426, 6220), (1555, 5704), (2488, 3565), (2852, 3110)]