32721520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 83244672

約数和(自身を除く): 50523152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 431, 520, 584, 730, 862, 949, 1040, 1168, 1460, 1724, 1898, 2155, 2920, 3448, 3796, 4310, 4745, 5603, 5840, 6896, 7592, 8620, 9490, 11206, 15184, 17240, 18980, 22412, 28015, 31463, 34480, 37960, 44824, 56030, 62926, 75920, 89648, 112060, 125852, 157315, 224120, 251704, 314630, 409019, 448240, 503408, 629260, 818038, 1258520, 1636076, 2045095, 2517040, 3272152, 4090190, 6544304, 8180380, 16360760, 32721520]

約数ペア:

[(1, 32721520), (2, 16360760), (4, 8180380), (5, 6544304), (8, 4090190), (10, 3272152), (13, 2517040), (16, 2045095), (20, 1636076), (26, 1258520), (40, 818038), (52, 629260), (65, 503408), (73, 448240), (80, 409019), (104, 314630), (130, 251704), (146, 224120), (208, 157315), (260, 125852), (292, 112060), (365, 89648), (431, 75920), (520, 62926), (584, 56030), (730, 44824), (862, 37960), (949, 34480), (1040, 31463), (1168, 28015), (1460, 22412), (1724, 18980), (1898, 17240), (2155, 15184), (2920, 11206), (3448, 9490), (3796, 8620), (4310, 7592), (4745, 6896), (5603, 5840)]