13208320

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 33554304

約数和(自身を除く): 20345984

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, 544, 607, 640, 680, 1088, 1214, 1280, 1360, 2176, 2428, 2720, 3035, 4352, 4856, 5440, 6070, 9712, 10319, 10880, 12140, 19424, 20638, 21760, 24280, 38848, 41276, 48560, 51595, 77696, 82552, 97120, 103190, 155392, 165104, 194240, 206380, 330208, 388480, 412760, 660416, 776960, 825520, 1320832, 1651040, 2641664, 3302080, 6604160, 13208320]

約数ペア:

[(1, 13208320), (2, 6604160), (4, 3302080), (5, 2641664), (8, 1651040), (10, 1320832), (16, 825520), (17, 776960), (20, 660416), (32, 412760), (34, 388480), (40, 330208), (64, 206380), (68, 194240), (80, 165104), (85, 155392), (128, 103190), (136, 97120), (160, 82552), (170, 77696), (256, 51595), (272, 48560), (320, 41276), (340, 38848), (544, 24280), (607, 21760), (640, 20638), (680, 19424), (1088, 12140), (1214, 10880), (1280, 10319), (1360, 9712), (2176, 6070), (2428, 5440), (2720, 4856), (3035, 4352)]