26138320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 67151952

約数和(自身を除く): 41013632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 613, 656, 820, 1040, 1066, 1226, 1640, 2132, 2452, 2665, 3065, 3280, 4264, 4904, 5330, 6130, 7969, 8528, 9808, 10660, 12260, 15938, 21320, 24520, 25133, 31876, 39845, 42640, 49040, 50266, 63752, 79690, 100532, 125665, 127504, 159380, 201064, 251330, 318760, 326729, 402128, 502660, 637520, 653458, 1005320, 1306916, 1633645, 2010640, 2613832, 3267290, 5227664, 6534580, 13069160, 26138320]

約数ペア:

[(1, 26138320), (2, 13069160), (4, 6534580), (5, 5227664), (8, 3267290), (10, 2613832), (13, 2010640), (16, 1633645), (20, 1306916), (26, 1005320), (40, 653458), (41, 637520), (52, 502660), (65, 402128), (80, 326729), (82, 318760), (104, 251330), (130, 201064), (164, 159380), (205, 127504), (208, 125665), (260, 100532), (328, 79690), (410, 63752), (520, 50266), (533, 49040), (613, 42640), (656, 39845), (820, 31876), (1040, 25133), (1066, 24520), (1226, 21320), (1640, 15938), (2132, 12260), (2452, 10660), (2665, 9808), (3065, 8528), (3280, 7969), (4264, 6130), (4904, 5330)]