40842880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4941

約数の個数: 64

約数和(自身を含む): 105172200

約数和(自身を除く): 64329320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 4909, 8320, 9818, 19636, 24545, 39272, 49090, 63817, 78544, 98180, 127634, 157088, 196360, 255268, 314176, 319085, 392720, 510536, 628352, 638170, 785440, 1021072, 1276340, 1570880, 2042144, 2552680, 3141760, 4084288, 5105360, 8168576, 10210720, 20421440, 40842880]

約数ペア:

[(1, 40842880), (2, 20421440), (4, 10210720), (5, 8168576), (8, 5105360), (10, 4084288), (13, 3141760), (16, 2552680), (20, 2042144), (26, 1570880), (32, 1276340), (40, 1021072), (52, 785440), (64, 638170), (65, 628352), (80, 510536), (104, 392720), (128, 319085), (130, 314176), (160, 255268), (208, 196360), (260, 157088), (320, 127634), (416, 98180), (520, 78544), (640, 63817), (832, 49090), (1040, 39272), (1664, 24545), (2080, 19636), (4160, 9818), (4909, 8320)]