85813520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 217121520

約数和(自身を除く): 131308000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 757, 872, 1040, 1090, 1417, 1514, 1744, 2180, 2834, 3028, 3785, 4360, 5668, 6056, 7085, 7570, 8720, 9841, 11336, 12112, 14170, 15140, 19682, 22672, 28340, 30280, 39364, 49205, 56680, 60560, 78728, 82513, 98410, 113360, 157456, 165026, 196820, 330052, 393640, 412565, 660104, 787280, 825130, 1072669, 1320208, 1650260, 2145338, 3300520, 4290676, 5363345, 6601040, 8581352, 10726690, 17162704, 21453380, 42906760, 85813520]

約数ペア:

[(1, 85813520), (2, 42906760), (4, 21453380), (5, 17162704), (8, 10726690), (10, 8581352), (13, 6601040), (16, 5363345), (20, 4290676), (26, 3300520), (40, 2145338), (52, 1650260), (65, 1320208), (80, 1072669), (104, 825130), (109, 787280), (130, 660104), (208, 412565), (218, 393640), (260, 330052), (436, 196820), (520, 165026), (545, 157456), (757, 113360), (872, 98410), (1040, 82513), (1090, 78728), (1417, 60560), (1514, 56680), (1744, 49205), (2180, 39364), (2834, 30280), (3028, 28340), (3785, 22672), (4360, 19682), (5668, 15140), (6056, 14170), (7085, 12112), (7570, 11336), (8720, 9841)]