84954880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 210155904

約数和(自身を除く): 125201024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2141, 2480, 3968, 4282, 4960, 7936, 8564, 9920, 10705, 17128, 19840, 21410, 34256, 39680, 42820, 66371, 68512, 85640, 132742, 137024, 171280, 265484, 274048, 331855, 342560, 530968, 548096, 663710, 685120, 1061936, 1327420, 1370240, 2123872, 2654840, 2740480, 4247744, 5309680, 8495488, 10619360, 16990976, 21238720, 42477440, 84954880]

約数ペア:

[(1, 84954880), (2, 42477440), (4, 21238720), (5, 16990976), (8, 10619360), (10, 8495488), (16, 5309680), (20, 4247744), (31, 2740480), (32, 2654840), (40, 2123872), (62, 1370240), (64, 1327420), (80, 1061936), (124, 685120), (128, 663710), (155, 548096), (160, 530968), (248, 342560), (256, 331855), (310, 274048), (320, 265484), (496, 171280), (620, 137024), (640, 132742), (992, 85640), (1240, 68512), (1280, 66371), (1984, 42820), (2141, 39680), (2480, 34256), (3968, 21410), (4282, 19840), (4960, 17128), (7936, 10705), (8564, 9920)]