165935120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159553}}^1$

素因数の和:159579

約数の個数: 40

約数和(自身を含む): 415478616

約数和(自身を除く): 249543496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 159553, 319106, 638212, 797765, 1276424, 1595530, 2074189, 2552848, 3191060, 4148378, 6382120, 8296756, 10370945, 12764240, 16593512, 20741890, 33187024, 41483780, 82967560, 165935120]

約数ペア:

[(1, 165935120), (2, 82967560), (4, 41483780), (5, 33187024), (8, 20741890), (10, 16593512), (13, 12764240), (16, 10370945), (20, 8296756), (26, 6382120), (40, 4148378), (52, 3191060), (65, 2552848), (80, 2074189), (104, 1595530), (130, 1276424), (208, 797765), (260, 638212), (520, 319106), (1040, 159553)]