40474880

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 98210112

約数和(自身を除く): 57735232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 307, 320, 412, 515, 614, 640, 824, 1030, 1228, 1280, 1535, 1648, 2060, 2456, 3070, 3296, 4120, 4912, 6140, 6592, 8240, 9824, 12280, 13184, 16480, 19648, 24560, 26368, 31621, 32960, 39296, 49120, 63242, 65920, 78592, 98240, 126484, 131840, 158105, 196480, 252968, 316210, 392960, 505936, 632420, 1011872, 1264840, 2023744, 2529680, 4047488, 5059360, 8094976, 10118720, 20237440, 40474880]

約数ペア:

[(1, 40474880), (2, 20237440), (4, 10118720), (5, 8094976), (8, 5059360), (10, 4047488), (16, 2529680), (20, 2023744), (32, 1264840), (40, 1011872), (64, 632420), (80, 505936), (103, 392960), (128, 316210), (160, 252968), (206, 196480), (256, 158105), (307, 131840), (320, 126484), (412, 98240), (515, 78592), (614, 65920), (640, 63242), (824, 49120), (1030, 39296), (1228, 32960), (1280, 31621), (1535, 26368), (1648, 24560), (2060, 19648), (2456, 16480), (3070, 13184), (3296, 12280), (4120, 9824), (4912, 8240), (6140, 6592)]