40778240

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:977

約数の個数: 80

約数和(自身を含む): 103633992

約数和(自身を除く): 62855752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 937, 1088, 1280, 1360, 1874, 2176, 2560, 2720, 3748, 4352, 4685, 5440, 7496, 8704, 9370, 10880, 14992, 15929, 18740, 21760, 29984, 31858, 37480, 43520, 59968, 63716, 74960, 79645, 119936, 127432, 149920, 159290, 239872, 254864, 299840, 318580, 479744, 509728, 599680, 637160, 1019456, 1199360, 1274320, 2038912, 2398720, 2548640, 4077824, 5097280, 8155648, 10194560, 20389120, 40778240]

約数ペア:

[(1, 40778240), (2, 20389120), (4, 10194560), (5, 8155648), (8, 5097280), (10, 4077824), (16, 2548640), (17, 2398720), (20, 2038912), (32, 1274320), (34, 1199360), (40, 1019456), (64, 637160), (68, 599680), (80, 509728), (85, 479744), (128, 318580), (136, 299840), (160, 254864), (170, 239872), (256, 159290), (272, 149920), (320, 127432), (340, 119936), (512, 79645), (544, 74960), (640, 63716), (680, 59968), (937, 43520), (1088, 37480), (1280, 31858), (1360, 29984), (1874, 21760), (2176, 18740), (2560, 15929), (2720, 14992), (3748, 10880), (4352, 9370), (4685, 8704), (5440, 7496)]