164608760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{132749}}^1$

素因数の和:132791

約数の個数: 32

約数和(自身を含む): 382320000

約数和(自身を除く): 217711240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 132749, 265498, 530996, 663745, 1061992, 1327490, 2654980, 4115219, 5309960, 8230438, 16460876, 20576095, 32921752, 41152190, 82304380, 164608760]

約数ペア:

[(1, 164608760), (2, 82304380), (4, 41152190), (5, 32921752), (8, 20576095), (10, 16460876), (20, 8230438), (31, 5309960), (40, 4115219), (62, 2654980), (124, 1327490), (155, 1061992), (248, 663745), (310, 530996), (620, 265498), (1240, 132749)]