49984880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 128563200

約数和(自身を除く): 78578320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 719, 790, 869, 880, 1264, 1438, 1580, 1738, 2876, 3160, 3476, 3595, 4345, 5752, 6320, 6952, 7190, 7909, 8690, 11504, 13904, 14380, 15818, 17380, 28760, 31636, 34760, 39545, 56801, 57520, 63272, 69520, 79090, 113602, 126544, 158180, 227204, 284005, 316360, 454408, 568010, 624811, 632720, 908816, 1136020, 1249622, 2272040, 2499244, 3124055, 4544080, 4998488, 6248110, 9996976, 12496220, 24992440, 49984880]

約数ペア:

[(1, 49984880), (2, 24992440), (4, 12496220), (5, 9996976), (8, 6248110), (10, 4998488), (11, 4544080), (16, 3124055), (20, 2499244), (22, 2272040), (40, 1249622), (44, 1136020), (55, 908816), (79, 632720), (80, 624811), (88, 568010), (110, 454408), (158, 316360), (176, 284005), (220, 227204), (316, 158180), (395, 126544), (440, 113602), (632, 79090), (719, 69520), (790, 63272), (869, 57520), (880, 56801), (1264, 39545), (1438, 34760), (1580, 31636), (1738, 28760), (2876, 17380), (3160, 15818), (3476, 14380), (3595, 13904), (4345, 11504), (5752, 8690), (6320, 7909), (6952, 7190)]