1001780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3853}}^1$

素因数の和:3875

約数の個数: 24

約数和(自身を含む): 2266152

約数和(自身を除く): 1264372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3853, 7706, 15412, 19265, 38530, 50089, 77060, 100178, 200356, 250445, 500890, 1001780]

約数ペア:

[(1, 1001780), (2, 500890), (4, 250445), (5, 200356), (10, 100178), (13, 77060), (20, 50089), (26, 38530), (52, 19265), (65, 15412), (130, 7706), (260, 3853)]