40397456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2579}}^1$

素因数の和:2687

約数の個数: 40

約数和(自身を含む): 86378400

約数和(自身を除く): 45980944

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 2579, 3916, 5158, 7832, 10316, 15664, 20632, 28369, 41264, 56738, 113476, 226952, 229531, 453904, 459062, 918124, 1836248, 2524841, 3672496, 5049682, 10099364, 20198728, 40397456]

約数ペア:

[(1, 40397456), (2, 20198728), (4, 10099364), (8, 5049682), (11, 3672496), (16, 2524841), (22, 1836248), (44, 918124), (88, 459062), (89, 453904), (176, 229531), (178, 226952), (356, 113476), (712, 56738), (979, 41264), (1424, 28369), (1958, 20632), (2579, 15664), (3916, 10316), (5158, 7832)]