88337840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 218959200

約数和(自身を除く): 130621360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 653, 712, 760, 890, 1306, 1424, 1520, 1691, 1780, 2612, 3265, 3382, 3560, 5224, 6530, 6764, 7120, 8455, 10448, 12407, 13060, 13528, 16910, 24814, 26120, 27056, 33820, 49628, 52240, 58117, 62035, 67640, 99256, 116234, 124070, 135280, 198512, 232468, 248140, 290585, 464936, 496280, 581170, 929872, 992560, 1104223, 1162340, 2208446, 2324680, 4416892, 4649360, 5521115, 8833784, 11042230, 17667568, 22084460, 44168920, 88337840]

約数ペア:

[(1, 88337840), (2, 44168920), (4, 22084460), (5, 17667568), (8, 11042230), (10, 8833784), (16, 5521115), (19, 4649360), (20, 4416892), (38, 2324680), (40, 2208446), (76, 1162340), (80, 1104223), (89, 992560), (95, 929872), (152, 581170), (178, 496280), (190, 464936), (304, 290585), (356, 248140), (380, 232468), (445, 198512), (653, 135280), (712, 124070), (760, 116234), (890, 99256), (1306, 67640), (1424, 62035), (1520, 58117), (1691, 52240), (1780, 49628), (2612, 33820), (3265, 27056), (3382, 26120), (3560, 24814), (5224, 16910), (6530, 13528), (6764, 13060), (7120, 12407), (8455, 10448)]