28778849140

素因数分解:

$2^2\times 5^1\times {\mathrm{9689}}^1\times {\mathrm{148513}}^1$

素因数の和:158211

約数の個数: 24

約数和(自身を含む): 60442227720

約数和(自身を除く): 31663378580

約数列:

[1, 2, 4, 5, 10, 20, 9689, 19378, 38756, 48445, 96890, 148513, 193780, 297026, 594052, 742565, 1485130, 2970260, 1438942457, 2877884914, 5755769828, 7194712285, 14389424570, 28778849140]

約数ペア:

[(1, 28778849140), (2, 14389424570), (4, 7194712285), (5, 5755769828), (10, 2877884914), (20, 1438942457), (9689, 2970260), (19378, 1485130), (38756, 742565), (48445, 594052), (96890, 297026), (148513, 193780)]