16219600

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 42622272

約数和(自身を除く): 26402672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 41, 43, 46, 50, 80, 82, 86, 92, 100, 115, 164, 172, 184, 200, 205, 215, 230, 328, 344, 368, 400, 410, 430, 460, 575, 656, 688, 820, 860, 920, 943, 989, 1025, 1075, 1150, 1640, 1720, 1763, 1840, 1886, 1978, 2050, 2150, 2300, 3280, 3440, 3526, 3772, 3956, 4100, 4300, 4600, 4715, 4945, 7052, 7544, 7912, 8200, 8600, 8815, 9200, 9430, 9890, 14104, 15088, 15824, 16400, 17200, 17630, 18860, 19780, 23575, 24725, 28208, 35260, 37720, 39560, 40549, 44075, 47150, 49450, 70520, 75440, 79120, 81098, 88150, 94300, 98900, 141040, 162196, 176300, 188600, 197800, 202745, 324392, 352600, 377200, 395600, 405490, 648784, 705200, 810980, 1013725, 1621960, 2027450, 3243920, 4054900, 8109800, 16219600]

約数ペア:

[(1, 16219600), (2, 8109800), (4, 4054900), (5, 3243920), (8, 2027450), (10, 1621960), (16, 1013725), (20, 810980), (23, 705200), (25, 648784), (40, 405490), (41, 395600), (43, 377200), (46, 352600), (50, 324392), (80, 202745), (82, 197800), (86, 188600), (92, 176300), (100, 162196), (115, 141040), (164, 98900), (172, 94300), (184, 88150), (200, 81098), (205, 79120), (215, 75440), (230, 70520), (328, 49450), (344, 47150), (368, 44075), (400, 40549), (410, 39560), (430, 37720), (460, 35260), (575, 28208), (656, 24725), (688, 23575), (820, 19780), (860, 18860), (920, 17630), (943, 17200), (989, 16400), (1025, 15824), (1075, 15088), (1150, 14104), (1640, 9890), (1720, 9430), (1763, 9200), (1840, 8815), (1886, 8600), (1978, 8200), (2050, 7912), (2150, 7544), (2300, 7052), (3280, 4945), (3440, 4715), (3526, 4600), (3772, 4300), (3956, 4100)]