16285780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 39747456

約数和(自身を除く): 23461676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1907, 2135, 3814, 4270, 7628, 8540, 9535, 13349, 19070, 26698, 38140, 53396, 66745, 116327, 133490, 232654, 266980, 465308, 581635, 814289, 1163270, 1628578, 2326540, 3257156, 4071445, 8142890, 16285780]

約数ペア:

[(1, 16285780), (2, 8142890), (4, 4071445), (5, 3257156), (7, 2326540), (10, 1628578), (14, 1163270), (20, 814289), (28, 581635), (35, 465308), (61, 266980), (70, 232654), (122, 133490), (140, 116327), (244, 66745), (305, 53396), (427, 38140), (610, 26698), (854, 19070), (1220, 13349), (1708, 9535), (1907, 8540), (2135, 7628), (3814, 4270)]