80296820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1933}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 176752128

約数和(自身を除く): 96455308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 1933, 2077, 3866, 4154, 7732, 8308, 9665, 10385, 19330, 20770, 38660, 41540, 59923, 119846, 129511, 239692, 259022, 299615, 518044, 599230, 647555, 1198460, 1295110, 2590220, 4014841, 8029682, 16059364, 20074205, 40148410, 80296820]

約数ペア:

[(1, 80296820), (2, 40148410), (4, 20074205), (5, 16059364), (10, 8029682), (20, 4014841), (31, 2590220), (62, 1295110), (67, 1198460), (124, 647555), (134, 599230), (155, 518044), (268, 299615), (310, 259022), (335, 239692), (620, 129511), (670, 119846), (1340, 59923), (1933, 41540), (2077, 38660), (3866, 20770), (4154, 19330), (7732, 10385), (8308, 9665)]