28897280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 104

約数和(自身を含む): 74308752

約数和(自身を除く): 45411472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 83, 85, 128, 136, 160, 166, 170, 256, 272, 320, 332, 340, 415, 512, 544, 640, 664, 680, 830, 1024, 1088, 1280, 1328, 1360, 1411, 1660, 2048, 2176, 2560, 2656, 2720, 2822, 3320, 4096, 4352, 5120, 5312, 5440, 5644, 6640, 7055, 8704, 10240, 10624, 10880, 11288, 13280, 14110, 17408, 20480, 21248, 21760, 22576, 26560, 28220, 34816, 42496, 43520, 45152, 53120, 56440, 69632, 84992, 87040, 90304, 106240, 112880, 169984, 174080, 180608, 212480, 225760, 339968, 348160, 361216, 424960, 451520, 722432, 849920, 903040, 1444864, 1699840, 1806080, 2889728, 3612160, 5779456, 7224320, 14448640, 28897280]

約数ペア:

[(1, 28897280), (2, 14448640), (4, 7224320), (5, 5779456), (8, 3612160), (10, 2889728), (16, 1806080), (17, 1699840), (20, 1444864), (32, 903040), (34, 849920), (40, 722432), (64, 451520), (68, 424960), (80, 361216), (83, 348160), (85, 339968), (128, 225760), (136, 212480), (160, 180608), (166, 174080), (170, 169984), (256, 112880), (272, 106240), (320, 90304), (332, 87040), (340, 84992), (415, 69632), (512, 56440), (544, 53120), (640, 45152), (664, 43520), (680, 42496), (830, 34816), (1024, 28220), (1088, 26560), (1280, 22576), (1328, 21760), (1360, 21248), (1411, 20480), (1660, 17408), (2048, 14110), (2176, 13280), (2560, 11288), (2656, 10880), (2720, 10624), (2822, 10240), (3320, 8704), (4096, 7055), (4352, 6640), (5120, 5644), (5312, 5440)]