16328320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 40343040

約数和(自身を除く): 24014720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 823, 992, 1240, 1646, 1984, 2480, 3292, 3968, 4115, 4960, 6584, 8230, 9920, 13168, 16460, 19840, 25513, 26336, 32920, 51026, 52672, 65840, 102052, 105344, 127565, 131680, 204104, 255130, 263360, 408208, 510260, 526720, 816416, 1020520, 1632832, 2041040, 3265664, 4082080, 8164160, 16328320]

約数ペア:

[(1, 16328320), (2, 8164160), (4, 4082080), (5, 3265664), (8, 2041040), (10, 1632832), (16, 1020520), (20, 816416), (31, 526720), (32, 510260), (40, 408208), (62, 263360), (64, 255130), (80, 204104), (124, 131680), (128, 127565), (155, 105344), (160, 102052), (248, 65840), (310, 52672), (320, 51026), (496, 32920), (620, 26336), (640, 25513), (823, 19840), (992, 16460), (1240, 13168), (1646, 9920), (1984, 8230), (2480, 6584), (3292, 4960), (3968, 4115)]