1631780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 3471552

約数和(自身を除く): 1839772

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 983, 1660, 1966, 3932, 4915, 9830, 19660, 81589, 163178, 326356, 407945, 815890, 1631780]

約数ペア:

[(1, 1631780), (2, 815890), (4, 407945), (5, 326356), (10, 163178), (20, 81589), (83, 19660), (166, 9830), (332, 4915), (415, 3932), (830, 1966), (983, 1660)]