25393920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 86093280

約数和(自身を除く): 60699360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 389, 408, 480, 510, 544, 640, 680, 768, 778, 816, 960, 1020, 1088, 1167, 1280, 1360, 1556, 1632, 1920, 1945, 2040, 2176, 2334, 2720, 3112, 3264, 3840, 3890, 4080, 4352, 4668, 5440, 5835, 6224, 6528, 6613, 7780, 8160, 9336, 10880, 11670, 12448, 13056, 13226, 15560, 16320, 18672, 19839, 21760, 23340, 24896, 26452, 31120, 32640, 33065, 37344, 39678, 46680, 49792, 52904, 62240, 65280, 66130, 74688, 79356, 93360, 99195, 99584, 105808, 124480, 132260, 149376, 158712, 186720, 198390, 211616, 248960, 264520, 298752, 317424, 373440, 396780, 423232, 497920, 529040, 634848, 746880, 793560, 846464, 1058080, 1269696, 1493760, 1587120, 1692928, 2116160, 2539392, 3174240, 4232320, 5078784, 6348480, 8464640, 12696960, 25393920]

約数ペア:

[(1, 25393920), (2, 12696960), (3, 8464640), (4, 6348480), (5, 5078784), (6, 4232320), (8, 3174240), (10, 2539392), (12, 2116160), (15, 1692928), (16, 1587120), (17, 1493760), (20, 1269696), (24, 1058080), (30, 846464), (32, 793560), (34, 746880), (40, 634848), (48, 529040), (51, 497920), (60, 423232), (64, 396780), (68, 373440), (80, 317424), (85, 298752), (96, 264520), (102, 248960), (120, 211616), (128, 198390), (136, 186720), (160, 158712), (170, 149376), (192, 132260), (204, 124480), (240, 105808), (255, 99584), (256, 99195), (272, 93360), (320, 79356), (340, 74688), (384, 66130), (389, 65280), (408, 62240), (480, 52904), (510, 49792), (544, 46680), (640, 39678), (680, 37344), (768, 33065), (778, 32640), (816, 31120), (960, 26452), (1020, 24896), (1088, 23340), (1167, 21760), (1280, 19839), (1360, 18672), (1556, 16320), (1632, 15560), (1920, 13226), (1945, 13056), (2040, 12448), (2176, 11670), (2334, 10880), (2720, 9336), (3112, 8160), (3264, 7780), (3840, 6613), (3890, 6528), (4080, 6224), (4352, 5835), (4668, 5440)]