1275040

素因数分解:

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

素因数の和:641

約数の個数: 48

約数和(自身を含む): 3249288

約数和(自身を除く): 1974248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 613, 1040, 1226, 2080, 2452, 3065, 4904, 6130, 7969, 9808, 12260, 15938, 19616, 24520, 31876, 39845, 49040, 63752, 79690, 98080, 127504, 159380, 255008, 318760, 637520, 1275040]

約数ペア:

[(1, 1275040), (2, 637520), (4, 318760), (5, 255008), (8, 159380), (10, 127504), (13, 98080), (16, 79690), (20, 63752), (26, 49040), (32, 39845), (40, 31876), (52, 24520), (65, 19616), (80, 15938), (104, 12260), (130, 9808), (160, 7969), (208, 6130), (260, 4904), (416, 3065), (520, 2452), (613, 2080), (1040, 1226)]