55419760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 142705152

約数和(自身を除く): 87285392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 887, 1136, 1420, 1562, 1774, 2840, 3124, 3548, 3905, 4435, 5680, 6248, 7096, 7810, 8870, 9757, 12496, 14192, 15620, 17740, 19514, 31240, 35480, 39028, 48785, 62480, 62977, 70960, 78056, 97570, 125954, 156112, 195140, 251908, 314885, 390280, 503816, 629770, 692747, 780560, 1007632, 1259540, 1385494, 2519080, 2770988, 3463735, 5038160, 5541976, 6927470, 11083952, 13854940, 27709880, 55419760]

約数ペア:

[(1, 55419760), (2, 27709880), (4, 13854940), (5, 11083952), (8, 6927470), (10, 5541976), (11, 5038160), (16, 3463735), (20, 2770988), (22, 2519080), (40, 1385494), (44, 1259540), (55, 1007632), (71, 780560), (80, 692747), (88, 629770), (110, 503816), (142, 390280), (176, 314885), (220, 251908), (284, 195140), (355, 156112), (440, 125954), (568, 97570), (710, 78056), (781, 70960), (880, 62977), (887, 62480), (1136, 48785), (1420, 39028), (1562, 35480), (1774, 31240), (2840, 19514), (3124, 17740), (3548, 15620), (3905, 14192), (4435, 12496), (5680, 9757), (6248, 8870), (7096, 7810)]