257127040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23633}}^1$

素因数の和:23669

約数の個数: 64

約数和(自身を含む): 650880360

約数和(自身を除く): 393753320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 23633, 47266, 94532, 118165, 189064, 236330, 378128, 401761, 472660, 756256, 803522, 945320, 1512512, 1607044, 1890640, 2008805, 3025024, 3214088, 3781280, 4017610, 6428176, 7562560, 8035220, 12856352, 15125120, 16070440, 25712704, 32140880, 51425408, 64281760, 128563520, 257127040]

約数ペア:

[(1, 257127040), (2, 128563520), (4, 64281760), (5, 51425408), (8, 32140880), (10, 25712704), (16, 16070440), (17, 15125120), (20, 12856352), (32, 8035220), (34, 7562560), (40, 6428176), (64, 4017610), (68, 3781280), (80, 3214088), (85, 3025024), (128, 2008805), (136, 1890640), (160, 1607044), (170, 1512512), (272, 945320), (320, 803522), (340, 756256), (544, 472660), (640, 401761), (680, 378128), (1088, 236330), (1360, 189064), (2176, 118165), (2720, 94532), (5440, 47266), (10880, 23633)]