79729760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:624

約数の個数: 96

約数和(自身を含む): 208202400

約数和(自身を除く): 128472640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 89, 110, 160, 176, 178, 220, 352, 356, 440, 445, 509, 712, 880, 890, 979, 1018, 1424, 1760, 1780, 1958, 2036, 2545, 2848, 3560, 3916, 4072, 4895, 5090, 5599, 7120, 7832, 8144, 9790, 10180, 11198, 14240, 15664, 16288, 19580, 20360, 22396, 27995, 31328, 39160, 40720, 44792, 45301, 55990, 78320, 81440, 89584, 90602, 111980, 156640, 179168, 181204, 223960, 226505, 362408, 447920, 453010, 498311, 724816, 895840, 906020, 996622, 1449632, 1812040, 1993244, 2491555, 3624080, 3986488, 4983110, 7248160, 7972976, 9966220, 15945952, 19932440, 39864880, 79729760]

約数ペア:

[(1, 79729760), (2, 39864880), (4, 19932440), (5, 15945952), (8, 9966220), (10, 7972976), (11, 7248160), (16, 4983110), (20, 3986488), (22, 3624080), (32, 2491555), (40, 1993244), (44, 1812040), (55, 1449632), (80, 996622), (88, 906020), (89, 895840), (110, 724816), (160, 498311), (176, 453010), (178, 447920), (220, 362408), (352, 226505), (356, 223960), (440, 181204), (445, 179168), (509, 156640), (712, 111980), (880, 90602), (890, 89584), (979, 81440), (1018, 78320), (1424, 55990), (1760, 45301), (1780, 44792), (1958, 40720), (2036, 39160), (2545, 31328), (2848, 27995), (3560, 22396), (3916, 20360), (4072, 19580), (4895, 16288), (5090, 15664), (5599, 14240), (7120, 11198), (7832, 10180), (8144, 9790)]