16887640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5483}}^1$

素因数の和:5512

約数の個数: 64

約数和(自身を含む): 47381760

約数和(自身を除く): 30494120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 5483, 10966, 21932, 27415, 38381, 43864, 54830, 60313, 76762, 109660, 120626, 153524, 191905, 219320, 241252, 301565, 307048, 383810, 422191, 482504, 603130, 767620, 844382, 1206260, 1535240, 1688764, 2110955, 2412520, 3377528, 4221910, 8443820, 16887640]

約数ペア:

[(1, 16887640), (2, 8443820), (4, 4221910), (5, 3377528), (7, 2412520), (8, 2110955), (10, 1688764), (11, 1535240), (14, 1206260), (20, 844382), (22, 767620), (28, 603130), (35, 482504), (40, 422191), (44, 383810), (55, 307048), (56, 301565), (70, 241252), (77, 219320), (88, 191905), (110, 153524), (140, 120626), (154, 109660), (220, 76762), (280, 60313), (308, 54830), (385, 43864), (440, 38381), (616, 27415), (770, 21932), (1540, 10966), (3080, 5483)]