28224680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2834

約数の個数: 64

約数和(自身を含む): 72316800

約数和(自身を除く): 44092120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 2789, 5060, 5578, 10120, 11156, 13945, 22312, 27890, 30679, 55780, 61358, 64147, 111560, 122716, 128294, 153395, 245432, 256588, 306790, 320735, 513176, 613580, 641470, 705617, 1227160, 1282940, 1411234, 2565880, 2822468, 3528085, 5644936, 7056170, 14112340, 28224680]

約数ペア:

[(1, 28224680), (2, 14112340), (4, 7056170), (5, 5644936), (8, 3528085), (10, 2822468), (11, 2565880), (20, 1411234), (22, 1282940), (23, 1227160), (40, 705617), (44, 641470), (46, 613580), (55, 513176), (88, 320735), (92, 306790), (110, 256588), (115, 245432), (184, 153395), (220, 128294), (230, 122716), (253, 111560), (440, 64147), (460, 61358), (506, 55780), (920, 30679), (1012, 27890), (1265, 22312), (2024, 13945), (2530, 11156), (2789, 10120), (5060, 5578)]