80000336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 181655040

約数和(自身を除く): 101654704

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 653, 806, 988, 1178, 1306, 1612, 1976, 2356, 2612, 3224, 3952, 4712, 5224, 6448, 7657, 8489, 9424, 10448, 12407, 15314, 16978, 20243, 24814, 30628, 33956, 40486, 49628, 61256, 67912, 80972, 99256, 122512, 135824, 161291, 161944, 198512, 263159, 322582, 323888, 384617, 526318, 645164, 769234, 1052636, 1290328, 1538468, 2105272, 2580656, 3076936, 4210544, 5000021, 6153872, 10000042, 20000084, 40000168, 80000336]

約数ペア:

[(1, 80000336), (2, 40000168), (4, 20000084), (8, 10000042), (13, 6153872), (16, 5000021), (19, 4210544), (26, 3076936), (31, 2580656), (38, 2105272), (52, 1538468), (62, 1290328), (76, 1052636), (104, 769234), (124, 645164), (152, 526318), (208, 384617), (247, 323888), (248, 322582), (304, 263159), (403, 198512), (494, 161944), (496, 161291), (589, 135824), (653, 122512), (806, 99256), (988, 80972), (1178, 67912), (1306, 61256), (1612, 49628), (1976, 40486), (2356, 33956), (2612, 30628), (3224, 24814), (3952, 20243), (4712, 16978), (5224, 15314), (6448, 12407), (7657, 10448), (8489, 9424)]