40838720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9817}}^1$

素因数の和:9847

約数の個数: 56

約数和(自身を含む): 104738424

約数和(自身を除く): 63899704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 9817, 19634, 39268, 49085, 78536, 98170, 127621, 157072, 196340, 255242, 314144, 392680, 510484, 628288, 638105, 785360, 1020968, 1276210, 1570720, 2041936, 2552420, 3141440, 4083872, 5104840, 8167744, 10209680, 20419360, 40838720]

約数ペア:

[(1, 40838720), (2, 20419360), (4, 10209680), (5, 8167744), (8, 5104840), (10, 4083872), (13, 3141440), (16, 2552420), (20, 2041936), (26, 1570720), (32, 1276210), (40, 1020968), (52, 785360), (64, 638105), (65, 628288), (80, 510484), (104, 392680), (130, 314144), (160, 255242), (208, 196340), (260, 157072), (320, 127621), (416, 98170), (520, 78536), (832, 49085), (1040, 39268), (2080, 19634), (4160, 9817)]