26799880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 64152000

約数和(自身を除く): 37352120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 179, 190, 197, 358, 380, 394, 716, 760, 788, 895, 985, 1432, 1576, 1790, 1970, 3401, 3580, 3743, 3940, 6802, 7160, 7486, 7880, 13604, 14972, 17005, 18715, 27208, 29944, 34010, 35263, 37430, 68020, 70526, 74860, 136040, 141052, 149720, 176315, 282104, 352630, 669997, 705260, 1339994, 1410520, 2679988, 3349985, 5359976, 6699970, 13399940, 26799880]

約数ペア:

[(1, 26799880), (2, 13399940), (4, 6699970), (5, 5359976), (8, 3349985), (10, 2679988), (19, 1410520), (20, 1339994), (38, 705260), (40, 669997), (76, 352630), (95, 282104), (152, 176315), (179, 149720), (190, 141052), (197, 136040), (358, 74860), (380, 70526), (394, 68020), (716, 37430), (760, 35263), (788, 34010), (895, 29944), (985, 27208), (1432, 18715), (1576, 17005), (1790, 14972), (1970, 13604), (3401, 7880), (3580, 7486), (3743, 7160), (3940, 6802)]