78448240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75431}}^1$

素因数の和:75457

約数の個数: 40

約数和(自身を含む): 196424928

約数和(自身を除く): 117976688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75431, 150862, 301724, 377155, 603448, 754310, 980603, 1206896, 1508620, 1961206, 3017240, 3922412, 4903015, 6034480, 7844824, 9806030, 15689648, 19612060, 39224120, 78448240]

約数ペア:

[(1, 78448240), (2, 39224120), (4, 19612060), (5, 15689648), (8, 9806030), (10, 7844824), (13, 6034480), (16, 4903015), (20, 3922412), (26, 3017240), (40, 1961206), (52, 1508620), (65, 1206896), (80, 980603), (104, 754310), (130, 603448), (208, 377155), (260, 301724), (520, 150862), (1040, 75431)]