56741780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 124830720

約数和(自身を除く): 68088940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1289, 1420, 2201, 2578, 4402, 5156, 6445, 8804, 11005, 12890, 22010, 25780, 39959, 44020, 79918, 91519, 159836, 183038, 199795, 366076, 399590, 457595, 799180, 915190, 1830380, 2837089, 5674178, 11348356, 14185445, 28370890, 56741780]

約数ペア:

[(1, 56741780), (2, 28370890), (4, 14185445), (5, 11348356), (10, 5674178), (20, 2837089), (31, 1830380), (62, 915190), (71, 799180), (124, 457595), (142, 399590), (155, 366076), (284, 199795), (310, 183038), (355, 159836), (620, 91519), (710, 79918), (1289, 44020), (1420, 39959), (2201, 25780), (2578, 22010), (4402, 12890), (5156, 11005), (6445, 8804)]