40885760

素因数分解:

$2^9\times 5^1\times {\mathrm{15971}}^1$

素因数の和:15994

約数の個数: 40

約数和(自身を含む): 98036136

約数和(自身を除く): 57150376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15971, 31942, 63884, 79855, 127768, 159710, 255536, 319420, 511072, 638840, 1022144, 1277680, 2044288, 2555360, 4088576, 5110720, 8177152, 10221440, 20442880, 40885760]

約数ペア:

[(1, 40885760), (2, 20442880), (4, 10221440), (5, 8177152), (8, 5110720), (10, 4088576), (16, 2555360), (20, 2044288), (32, 1277680), (40, 1022144), (64, 638840), (80, 511072), (128, 319420), (160, 255536), (256, 159710), (320, 127768), (512, 79855), (640, 63884), (1280, 31942), (2560, 15971)]