26188720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 65210112

約数和(自身を除く): 39021392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 331, 344, 368, 430, 460, 662, 688, 860, 920, 989, 1324, 1655, 1720, 1840, 1978, 2648, 3310, 3440, 3956, 4945, 5296, 6620, 7613, 7912, 9890, 13240, 14233, 15226, 15824, 19780, 26480, 28466, 30452, 38065, 39560, 56932, 60904, 71165, 76130, 79120, 113864, 121808, 142330, 152260, 227728, 284660, 304520, 327359, 569320, 609040, 654718, 1138640, 1309436, 1636795, 2618872, 3273590, 5237744, 6547180, 13094360, 26188720]

約数ペア:

[(1, 26188720), (2, 13094360), (4, 6547180), (5, 5237744), (8, 3273590), (10, 2618872), (16, 1636795), (20, 1309436), (23, 1138640), (40, 654718), (43, 609040), (46, 569320), (80, 327359), (86, 304520), (92, 284660), (115, 227728), (172, 152260), (184, 142330), (215, 121808), (230, 113864), (331, 79120), (344, 76130), (368, 71165), (430, 60904), (460, 56932), (662, 39560), (688, 38065), (860, 30452), (920, 28466), (989, 26480), (1324, 19780), (1655, 15824), (1720, 15226), (1840, 14233), (1978, 13240), (2648, 9890), (3310, 7912), (3440, 7613), (3956, 6620), (4945, 5296)]