39720304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4441}}^1$

素因数の和:4505

約数の個数: 40

約数和(自身を含む): 84824432

約数和(自身を除く): 45104128

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4441, 4472, 8882, 8944, 17764, 35528, 57733, 71056, 115466, 190963, 230932, 381926, 461864, 763852, 923728, 1527704, 2482519, 3055408, 4965038, 9930076, 19860152, 39720304]

約数ペア:

[(1, 39720304), (2, 19860152), (4, 9930076), (8, 4965038), (13, 3055408), (16, 2482519), (26, 1527704), (43, 923728), (52, 763852), (86, 461864), (104, 381926), (172, 230932), (208, 190963), (344, 115466), (559, 71056), (688, 57733), (1118, 35528), (2236, 17764), (4441, 8944), (4472, 8882)]