20160986240

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{851393}}^1$

素因数の和:851449

約数の個数: 64

約数和(自身を含む): 49500047160

約数和(自身を除く): 29339060920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5920, 11840, 23680, 851393, 1702786, 3405572, 4256965, 6811144, 8513930, 13622288, 17027860, 27244576, 31501541, 34055720, 54489152, 63003082, 68111440, 108978304, 126006164, 136222880, 157507705, 252012328, 272445760, 315015410, 504024656, 544891520, 630030820, 1008049312, 1260061640, 2016098624, 2520123280, 4032197248, 5040246560, 10080493120, 20160986240]

約数ペア:

[(1, 20160986240), (2, 10080493120), (4, 5040246560), (5, 4032197248), (8, 2520123280), (10, 2016098624), (16, 1260061640), (20, 1008049312), (32, 630030820), (37, 544891520), (40, 504024656), (64, 315015410), (74, 272445760), (80, 252012328), (128, 157507705), (148, 136222880), (160, 126006164), (185, 108978304), (296, 68111440), (320, 63003082), (370, 54489152), (592, 34055720), (640, 31501541), (740, 27244576), (1184, 17027860), (1480, 13622288), (2368, 8513930), (2960, 6811144), (4736, 4256965), (5920, 3405572), (11840, 1702786), (23680, 851393)]