17908480

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 45474912

約数和(自身を除く): 27566432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 823, 1088, 1280, 1360, 1646, 2176, 2720, 3292, 4115, 4352, 5440, 6584, 8230, 10880, 13168, 13991, 16460, 21760, 26336, 27982, 32920, 52672, 55964, 65840, 69955, 105344, 111928, 131680, 139910, 210688, 223856, 263360, 279820, 447712, 526720, 559640, 895424, 1053440, 1119280, 1790848, 2238560, 3581696, 4477120, 8954240, 17908480]

約数ペア:

[(1, 17908480), (2, 8954240), (4, 4477120), (5, 3581696), (8, 2238560), (10, 1790848), (16, 1119280), (17, 1053440), (20, 895424), (32, 559640), (34, 526720), (40, 447712), (64, 279820), (68, 263360), (80, 223856), (85, 210688), (128, 139910), (136, 131680), (160, 111928), (170, 105344), (256, 69955), (272, 65840), (320, 55964), (340, 52672), (544, 32920), (640, 27982), (680, 26336), (823, 21760), (1088, 16460), (1280, 13991), (1360, 13168), (1646, 10880), (2176, 8230), (2720, 6584), (3292, 5440), (4115, 4352)]