13786240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1689

約数の個数: 64

約数和(自身を含む): 35514360

約数和(自身を除く): 21728120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1657, 1664, 2080, 3314, 4160, 6628, 8285, 8320, 13256, 16570, 21541, 26512, 33140, 43082, 53024, 66280, 86164, 106048, 107705, 132560, 172328, 212096, 215410, 265120, 344656, 430820, 530240, 689312, 861640, 1060480, 1378624, 1723280, 2757248, 3446560, 6893120, 13786240]

約数ペア:

[(1, 13786240), (2, 6893120), (4, 3446560), (5, 2757248), (8, 1723280), (10, 1378624), (13, 1060480), (16, 861640), (20, 689312), (26, 530240), (32, 430820), (40, 344656), (52, 265120), (64, 215410), (65, 212096), (80, 172328), (104, 132560), (128, 107705), (130, 106048), (160, 86164), (208, 66280), (260, 53024), (320, 43082), (416, 33140), (520, 26512), (640, 21541), (832, 16570), (1040, 13256), (1657, 8320), (1664, 8285), (2080, 6628), (3314, 4160)]