40788668

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:690

約数の個数: 36

約数和(自身を含む): 77065632

約数和(自身を除く): 36276964

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 361, 601, 722, 893, 1202, 1444, 1786, 2404, 3572, 11419, 16967, 22838, 28247, 33934, 45676, 56494, 67868, 112988, 216961, 433922, 536693, 867844, 1073386, 2146772, 10197167, 20394334, 40788668]

約数ペア:

[(1, 40788668), (2, 20394334), (4, 10197167), (19, 2146772), (38, 1073386), (47, 867844), (76, 536693), (94, 433922), (188, 216961), (361, 112988), (601, 67868), (722, 56494), (893, 45676), (1202, 33934), (1444, 28247), (1786, 22838), (2404, 16967), (3572, 11419)]