1019914880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51407}}^1$

素因数の和:51457

約数の個数: 64

約数和(自身を含む): 2516935680

約数和(自身を除く): 1497020800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 51407, 102814, 205628, 257035, 411256, 514070, 822512, 1028140, 1593617, 1645024, 2056280, 3187234, 3290048, 4112560, 6374468, 6580096, 7968085, 8225120, 12748936, 15936170, 16450240, 25497872, 31872340, 32900480, 50995744, 63744680, 101991488, 127489360, 203982976, 254978720, 509957440, 1019914880]

約数ペア:

[(1, 1019914880), (2, 509957440), (4, 254978720), (5, 203982976), (8, 127489360), (10, 101991488), (16, 63744680), (20, 50995744), (31, 32900480), (32, 31872340), (40, 25497872), (62, 16450240), (64, 15936170), (80, 12748936), (124, 8225120), (128, 7968085), (155, 6580096), (160, 6374468), (248, 4112560), (310, 3290048), (320, 3187234), (496, 2056280), (620, 1645024), (640, 1593617), (992, 1028140), (1240, 822512), (1984, 514070), (2480, 411256), (3968, 257035), (4960, 205628), (9920, 102814), (19840, 51407)]