55144960

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1693

約数の個数: 80

約数和(自身を含む): 142475256

約数和(自身を除く): 87330296

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, 512, 520, 640, 832, 1040, 1280, 1657, 1664, 2080, 2560, 3314, 3328, 4160, 6628, 6656, 8285, 8320, 13256, 16570, 16640, 21541, 26512, 33140, 33280, 43082, 53024, 66280, 86164, 106048, 107705, 132560, 172328, 212096, 215410, 265120, 344656, 424192, 430820, 530240, 689312, 848384, 861640, 1060480, 1378624, 1723280, 2120960, 2757248, 3446560, 4241920, 5514496, 6893120, 11028992, 13786240, 27572480, 55144960]

約数ペア:

[(1, 55144960), (2, 27572480), (4, 13786240), (5, 11028992), (8, 6893120), (10, 5514496), (13, 4241920), (16, 3446560), (20, 2757248), (26, 2120960), (32, 1723280), (40, 1378624), (52, 1060480), (64, 861640), (65, 848384), (80, 689312), (104, 530240), (128, 430820), (130, 424192), (160, 344656), (208, 265120), (256, 215410), (260, 212096), (320, 172328), (416, 132560), (512, 107705), (520, 106048), (640, 86164), (832, 66280), (1040, 53024), (1280, 43082), (1657, 33280), (1664, 33140), (2080, 26512), (2560, 21541), (3314, 16640), (3328, 16570), (4160, 13256), (6628, 8320), (6656, 8285)]