42239840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 105162624

約数和(自身を除く): 62922784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 80, 82, 94, 137, 160, 164, 188, 205, 235, 274, 328, 376, 410, 470, 548, 656, 685, 752, 820, 940, 1096, 1312, 1370, 1504, 1640, 1880, 1927, 2192, 2740, 3280, 3760, 3854, 4384, 5480, 5617, 6439, 6560, 7520, 7708, 9635, 10960, 11234, 12878, 15416, 19270, 21920, 22468, 25756, 28085, 30832, 32195, 38540, 44936, 51512, 56170, 61664, 64390, 77080, 89872, 103024, 112340, 128780, 154160, 179744, 206048, 224680, 257560, 263999, 308320, 449360, 515120, 527998, 898720, 1030240, 1055996, 1319995, 2111992, 2639990, 4223984, 5279980, 8447968, 10559960, 21119920, 42239840]

約数ペア:

[(1, 42239840), (2, 21119920), (4, 10559960), (5, 8447968), (8, 5279980), (10, 4223984), (16, 2639990), (20, 2111992), (32, 1319995), (40, 1055996), (41, 1030240), (47, 898720), (80, 527998), (82, 515120), (94, 449360), (137, 308320), (160, 263999), (164, 257560), (188, 224680), (205, 206048), (235, 179744), (274, 154160), (328, 128780), (376, 112340), (410, 103024), (470, 89872), (548, 77080), (656, 64390), (685, 61664), (752, 56170), (820, 51512), (940, 44936), (1096, 38540), (1312, 32195), (1370, 30832), (1504, 28085), (1640, 25756), (1880, 22468), (1927, 21920), (2192, 19270), (2740, 15416), (3280, 12878), (3760, 11234), (3854, 10960), (4384, 9635), (5480, 7708), (5617, 7520), (6439, 6560)]