65223040

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 156965760

約数和(自身を除く): 91742720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 457, 640, 892, 914, 1115, 1784, 1828, 2230, 2285, 3568, 3656, 4460, 4570, 7136, 7312, 8920, 9140, 14272, 14624, 17840, 18280, 28544, 29248, 35680, 36560, 58496, 71360, 73120, 101911, 142720, 146240, 203822, 292480, 407644, 509555, 815288, 1019110, 1630576, 2038220, 3261152, 4076440, 6522304, 8152880, 13044608, 16305760, 32611520, 65223040]

約数ペア:

[(1, 65223040), (2, 32611520), (4, 16305760), (5, 13044608), (8, 8152880), (10, 6522304), (16, 4076440), (20, 3261152), (32, 2038220), (40, 1630576), (64, 1019110), (80, 815288), (128, 509555), (160, 407644), (223, 292480), (320, 203822), (446, 146240), (457, 142720), (640, 101911), (892, 73120), (914, 71360), (1115, 58496), (1784, 36560), (1828, 35680), (2230, 29248), (2285, 28544), (3568, 18280), (3656, 17840), (4460, 14624), (4570, 14272), (7136, 9140), (7312, 8920)]