54191920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39847}}^1$

素因数の和:39877

約数の個数: 40

約数和(自身を含む): 133411104

約数和(自身を除く): 79219184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 39847, 79694, 159388, 199235, 318776, 398470, 637552, 677399, 796940, 1354798, 1593880, 2709596, 3187760, 3386995, 5419192, 6773990, 10838384, 13547980, 27095960, 54191920]

約数ペア:

[(1, 54191920), (2, 27095960), (4, 13547980), (5, 10838384), (8, 6773990), (10, 5419192), (16, 3386995), (17, 3187760), (20, 2709596), (34, 1593880), (40, 1354798), (68, 796940), (80, 677399), (85, 637552), (136, 398470), (170, 318776), (272, 199235), (340, 159388), (680, 79694), (1360, 39847)]