16778168060

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{25621}}^1$

素因数の和:26006

約数の個数: 48

約数和(自身を含む): 35641226880

約数和(自身を除く): 18863058820

約数列:

[1, 2, 4, 5, 10, 20, 137, 239, 274, 478, 548, 685, 956, 1195, 1370, 2390, 2740, 4780, 25621, 32743, 51242, 65486, 102484, 128105, 130972, 163715, 256210, 327430, 512420, 654860, 3510077, 6123419, 7020154, 12246838, 14040308, 17550385, 24493676, 30617095, 35100770, 61234190, 70201540, 122468380, 838908403, 1677816806, 3355633612, 4194542015, 8389084030, 16778168060]

約数ペア:

[(1, 16778168060), (2, 8389084030), (4, 4194542015), (5, 3355633612), (10, 1677816806), (20, 838908403), (137, 122468380), (239, 70201540), (274, 61234190), (478, 35100770), (548, 30617095), (685, 24493676), (956, 17550385), (1195, 14040308), (1370, 12246838), (2390, 7020154), (2740, 6123419), (4780, 3510077), (25621, 654860), (32743, 512420), (51242, 327430), (65486, 256210), (102484, 163715), (128105, 130972)]