8247040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 20971440

約数和(自身を除く): 12724400

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, 379, 544, 640, 680, 758, 1088, 1280, 1360, 1516, 1895, 2176, 2720, 3032, 3790, 4352, 5440, 6064, 6443, 7580, 10880, 12128, 12886, 15160, 21760, 24256, 25772, 30320, 32215, 48512, 51544, 60640, 64430, 97024, 103088, 121280, 128860, 206176, 242560, 257720, 412352, 485120, 515440, 824704, 1030880, 1649408, 2061760, 4123520, 8247040]

約数ペア:

[(1, 8247040), (2, 4123520), (4, 2061760), (5, 1649408), (8, 1030880), (10, 824704), (16, 515440), (17, 485120), (20, 412352), (32, 257720), (34, 242560), (40, 206176), (64, 128860), (68, 121280), (80, 103088), (85, 97024), (128, 64430), (136, 60640), (160, 51544), (170, 48512), (256, 32215), (272, 30320), (320, 25772), (340, 24256), (379, 21760), (544, 15160), (640, 12886), (680, 12128), (758, 10880), (1088, 7580), (1280, 6443), (1360, 6064), (1516, 5440), (1895, 4352), (2176, 3790), (2720, 3032)]