26971520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 71163360

約数和(自身を除く): 44191840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 67, 68, 74, 80, 85, 128, 134, 136, 148, 160, 170, 185, 268, 272, 296, 320, 335, 340, 370, 536, 544, 592, 629, 640, 670, 680, 740, 1072, 1088, 1139, 1184, 1258, 1340, 1360, 1480, 2144, 2176, 2278, 2368, 2479, 2516, 2680, 2720, 2960, 3145, 4288, 4556, 4736, 4958, 5032, 5360, 5440, 5695, 5920, 6290, 8576, 9112, 9916, 10064, 10720, 10880, 11390, 11840, 12395, 12580, 18224, 19832, 20128, 21440, 22780, 23680, 24790, 25160, 36448, 39664, 40256, 42143, 42880, 45560, 49580, 50320, 72896, 79328, 80512, 84286, 91120, 99160, 100640, 145792, 158656, 168572, 182240, 198320, 201280, 210715, 317312, 337144, 364480, 396640, 402560, 421430, 674288, 728960, 793280, 842860, 1348576, 1586560, 1685720, 2697152, 3371440, 5394304, 6742880, 13485760, 26971520]

約数ペア:

[(1, 26971520), (2, 13485760), (4, 6742880), (5, 5394304), (8, 3371440), (10, 2697152), (16, 1685720), (17, 1586560), (20, 1348576), (32, 842860), (34, 793280), (37, 728960), (40, 674288), (64, 421430), (67, 402560), (68, 396640), (74, 364480), (80, 337144), (85, 317312), (128, 210715), (134, 201280), (136, 198320), (148, 182240), (160, 168572), (170, 158656), (185, 145792), (268, 100640), (272, 99160), (296, 91120), (320, 84286), (335, 80512), (340, 79328), (370, 72896), (536, 50320), (544, 49580), (592, 45560), (629, 42880), (640, 42143), (670, 40256), (680, 39664), (740, 36448), (1072, 25160), (1088, 24790), (1139, 23680), (1184, 22780), (1258, 21440), (1340, 20128), (1360, 19832), (1480, 18224), (2144, 12580), (2176, 12395), (2278, 11840), (2368, 11390), (2479, 10880), (2516, 10720), (2680, 10064), (2720, 9916), (2960, 9112), (3145, 8576), (4288, 6290), (4556, 5920), (4736, 5695), (4958, 5440), (5032, 5360)]