16731520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 43097040

約数和(自身を除く): 26365520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2011, 2080, 4022, 4160, 8044, 8320, 10055, 16088, 20110, 26143, 32176, 40220, 52286, 64352, 80440, 104572, 128704, 130715, 160880, 209144, 257408, 261430, 321760, 418288, 522860, 643520, 836576, 1045720, 1287040, 1673152, 2091440, 3346304, 4182880, 8365760, 16731520]

約数ペア:

[(1, 16731520), (2, 8365760), (4, 4182880), (5, 3346304), (8, 2091440), (10, 1673152), (13, 1287040), (16, 1045720), (20, 836576), (26, 643520), (32, 522860), (40, 418288), (52, 321760), (64, 261430), (65, 257408), (80, 209144), (104, 160880), (128, 130715), (130, 128704), (160, 104572), (208, 80440), (260, 64352), (320, 52286), (416, 40220), (520, 32176), (640, 26143), (832, 20110), (1040, 16088), (1664, 10055), (2011, 8320), (2080, 8044), (4022, 4160)]