90199040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 88

約数和(自身を含む): 220093440

約数和(自身を除く): 129894400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 223, 256, 316, 320, 395, 446, 512, 632, 640, 790, 892, 1024, 1115, 1264, 1280, 1580, 1784, 2230, 2528, 2560, 3160, 3568, 4460, 5056, 5120, 6320, 7136, 8920, 10112, 12640, 14272, 17617, 17840, 20224, 25280, 28544, 35234, 35680, 40448, 50560, 57088, 70468, 71360, 80896, 88085, 101120, 114176, 140936, 142720, 176170, 202240, 228352, 281872, 285440, 352340, 404480, 563744, 570880, 704680, 1127488, 1141760, 1409360, 2254976, 2818720, 4509952, 5637440, 9019904, 11274880, 18039808, 22549760, 45099520, 90199040]

約数ペア:

[(1, 90199040), (2, 45099520), (4, 22549760), (5, 18039808), (8, 11274880), (10, 9019904), (16, 5637440), (20, 4509952), (32, 2818720), (40, 2254976), (64, 1409360), (79, 1141760), (80, 1127488), (128, 704680), (158, 570880), (160, 563744), (223, 404480), (256, 352340), (316, 285440), (320, 281872), (395, 228352), (446, 202240), (512, 176170), (632, 142720), (640, 140936), (790, 114176), (892, 101120), (1024, 88085), (1115, 80896), (1264, 71360), (1280, 70468), (1580, 57088), (1784, 50560), (2230, 40448), (2528, 35680), (2560, 35234), (3160, 28544), (3568, 25280), (4460, 20224), (5056, 17840), (5120, 17617), (6320, 14272), (7136, 12640), (8920, 10112)]