1306922240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78541}}^1$

素因数の和:78575

約数の個数: 72

約数和(自身を含む): 3371336808

約数和(自身を除く): 2064414568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 78541, 157082, 314164, 392705, 628328, 785410, 1021033, 1256656, 1570820, 2042066, 2513312, 3141640, 4084132, 5026624, 5105165, 6283280, 8168264, 10053248, 10210330, 12566560, 16336528, 20106496, 20420660, 25133120, 32673056, 40841320, 50266240, 65346112, 81682640, 100532480, 130692224, 163365280, 261384448, 326730560, 653461120, 1306922240]

約数ペア:

[(1, 1306922240), (2, 653461120), (4, 326730560), (5, 261384448), (8, 163365280), (10, 130692224), (13, 100532480), (16, 81682640), (20, 65346112), (26, 50266240), (32, 40841320), (40, 32673056), (52, 25133120), (64, 20420660), (65, 20106496), (80, 16336528), (104, 12566560), (128, 10210330), (130, 10053248), (160, 8168264), (208, 6283280), (256, 5105165), (260, 5026624), (320, 4084132), (416, 3141640), (520, 2513312), (640, 2042066), (832, 1570820), (1040, 1256656), (1280, 1021033), (1664, 785410), (2080, 628328), (3328, 392705), (4160, 314164), (8320, 157082), (16640, 78541)]