851840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^3$

素因数の和:52

約数の個数: 64

約数和(自身を含む): 2239920

約数和(自身を除く): 1388080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1331, 1408, 1760, 1936, 2420, 2662, 3520, 3872, 4840, 5324, 6655, 7040, 7744, 9680, 10648, 13310, 15488, 19360, 21296, 26620, 38720, 42592, 53240, 77440, 85184, 106480, 170368, 212960, 425920, 851840]

約数ペア:

[(1, 851840), (2, 425920), (4, 212960), (5, 170368), (8, 106480), (10, 85184), (11, 77440), (16, 53240), (20, 42592), (22, 38720), (32, 26620), (40, 21296), (44, 19360), (55, 15488), (64, 13310), (80, 10648), (88, 9680), (110, 7744), (121, 7040), (128, 6655), (160, 5324), (176, 4840), (220, 3872), (242, 3520), (320, 2662), (352, 2420), (440, 1936), (484, 1760), (605, 1408), (640, 1331), (704, 1210), (880, 968)]