28391360

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 84

約数和(自身を含む): 72051672

約数和(自身を除く): 43660312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 307, 320, 340, 544, 578, 614, 680, 1088, 1156, 1228, 1360, 1445, 1535, 2312, 2456, 2720, 2890, 3070, 4624, 4912, 5219, 5440, 5780, 6140, 9248, 9824, 10438, 11560, 12280, 18496, 19648, 20876, 23120, 24560, 26095, 41752, 46240, 49120, 52190, 83504, 88723, 92480, 98240, 104380, 167008, 177446, 208760, 334016, 354892, 417520, 443615, 709784, 835040, 887230, 1419568, 1670080, 1774460, 2839136, 3548920, 5678272, 7097840, 14195680, 28391360]

約数ペア:

[(1, 28391360), (2, 14195680), (4, 7097840), (5, 5678272), (8, 3548920), (10, 2839136), (16, 1774460), (17, 1670080), (20, 1419568), (32, 887230), (34, 835040), (40, 709784), (64, 443615), (68, 417520), (80, 354892), (85, 334016), (136, 208760), (160, 177446), (170, 167008), (272, 104380), (289, 98240), (307, 92480), (320, 88723), (340, 83504), (544, 52190), (578, 49120), (614, 46240), (680, 41752), (1088, 26095), (1156, 24560), (1228, 23120), (1360, 20876), (1445, 19648), (1535, 18496), (2312, 12280), (2456, 11560), (2720, 10438), (2890, 9824), (3070, 9248), (4624, 6140), (4912, 5780), (5219, 5440)]