42723560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1202

約数の個数: 64

約数和(自身を含む): 106142400

約数和(自身を除く): 63418840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1091, 1780, 1958, 2182, 3560, 3916, 4364, 4895, 5455, 7832, 8728, 9790, 10910, 12001, 19580, 21820, 24002, 39160, 43640, 48004, 60005, 96008, 97099, 120010, 194198, 240020, 388396, 480040, 485495, 776792, 970990, 1068089, 1941980, 2136178, 3883960, 4272356, 5340445, 8544712, 10680890, 21361780, 42723560]

約数ペア:

[(1, 42723560), (2, 21361780), (4, 10680890), (5, 8544712), (8, 5340445), (10, 4272356), (11, 3883960), (20, 2136178), (22, 1941980), (40, 1068089), (44, 970990), (55, 776792), (88, 485495), (89, 480040), (110, 388396), (178, 240020), (220, 194198), (356, 120010), (440, 97099), (445, 96008), (712, 60005), (890, 48004), (979, 43640), (1091, 39160), (1780, 24002), (1958, 21820), (2182, 19580), (3560, 12001), (3916, 10910), (4364, 9790), (4895, 8728), (5455, 7832)]