72017840

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3181}}^1$

素因数の和:3477

約数の個数: 40

約数和(自身を含む): 168085968

約数和(自身を除く): 96068128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 2264, 2830, 3181, 4528, 5660, 6362, 11320, 12724, 15905, 22640, 25448, 31810, 50896, 63620, 127240, 254480, 900223, 1800446, 3600892, 4501115, 7201784, 9002230, 14403568, 18004460, 36008920, 72017840]

約数ペア:

[(1, 72017840), (2, 36008920), (4, 18004460), (5, 14403568), (8, 9002230), (10, 7201784), (16, 4501115), (20, 3600892), (40, 1800446), (80, 900223), (283, 254480), (566, 127240), (1132, 63620), (1415, 50896), (2264, 31810), (2830, 25448), (3181, 22640), (4528, 15905), (5660, 12724), (6362, 11320)]