40889368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20693}}^1$

素因数の和:20731

約数の個数: 32

約数和(自身を含む): 86914800

約数和(自身を除く): 46025432

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20693, 41386, 82772, 165544, 269009, 393167, 538018, 786334, 1076036, 1572668, 2152072, 3145336, 5111171, 10222342, 20444684, 40889368]

約数ペア:

[(1, 40889368), (2, 20444684), (4, 10222342), (8, 5111171), (13, 3145336), (19, 2152072), (26, 1572668), (38, 1076036), (52, 786334), (76, 538018), (104, 393167), (152, 269009), (247, 165544), (494, 82772), (988, 41386), (1976, 20693)]