40749488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 85411200

約数和(自身を除く): 44661712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409, 479, 818, 958, 1636, 1916, 3272, 3832, 5317, 6227, 6544, 7664, 10634, 12454, 21268, 24908, 42536, 49816, 85072, 99632, 195911, 391822, 783644, 1567288, 2546843, 3134576, 5093686, 10187372, 20374744, 40749488]

約数ペア:

[(1, 40749488), (2, 20374744), (4, 10187372), (8, 5093686), (13, 3134576), (16, 2546843), (26, 1567288), (52, 783644), (104, 391822), (208, 195911), (409, 99632), (479, 85072), (818, 49816), (958, 42536), (1636, 24908), (1916, 21268), (3272, 12454), (3832, 10634), (5317, 7664), (6227, 6544)]