16403840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 41970960

約数和(自身を除く): 25567120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 128, 142, 152, 160, 190, 284, 304, 320, 355, 361, 380, 568, 608, 640, 710, 722, 760, 1136, 1216, 1349, 1420, 1444, 1520, 1805, 2272, 2432, 2698, 2840, 2888, 3040, 3610, 4544, 5396, 5680, 5776, 6080, 6745, 7220, 9088, 10792, 11360, 11552, 12160, 13490, 14440, 21584, 22720, 23104, 25631, 26980, 28880, 43168, 45440, 46208, 51262, 53960, 57760, 86336, 102524, 107920, 115520, 128155, 172672, 205048, 215840, 231040, 256310, 410096, 431680, 512620, 820192, 863360, 1025240, 1640384, 2050480, 3280768, 4100960, 8201920, 16403840]

約数ペア:

[(1, 16403840), (2, 8201920), (4, 4100960), (5, 3280768), (8, 2050480), (10, 1640384), (16, 1025240), (19, 863360), (20, 820192), (32, 512620), (38, 431680), (40, 410096), (64, 256310), (71, 231040), (76, 215840), (80, 205048), (95, 172672), (128, 128155), (142, 115520), (152, 107920), (160, 102524), (190, 86336), (284, 57760), (304, 53960), (320, 51262), (355, 46208), (361, 45440), (380, 43168), (568, 28880), (608, 26980), (640, 25631), (710, 23104), (722, 22720), (760, 21584), (1136, 14440), (1216, 13490), (1349, 12160), (1420, 11552), (1444, 11360), (1520, 10792), (1805, 9088), (2272, 7220), (2432, 6745), (2698, 6080), (2840, 5776), (2888, 5680), (3040, 5396), (3610, 4544)]