72552740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1613}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 165131568

約数和(自身を除く): 92578828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1613, 1730, 2249, 3226, 3460, 4498, 6452, 8065, 8996, 11245, 16130, 20969, 22490, 32260, 41938, 44980, 83876, 104845, 209690, 279049, 419380, 558098, 1116196, 1395245, 2790490, 3627637, 5580980, 7255274, 14510548, 18138185, 36276370, 72552740]

約数ペア:

[(1, 72552740), (2, 36276370), (4, 18138185), (5, 14510548), (10, 7255274), (13, 5580980), (20, 3627637), (26, 2790490), (52, 1395245), (65, 1116196), (130, 558098), (173, 419380), (260, 279049), (346, 209690), (692, 104845), (865, 83876), (1613, 44980), (1730, 41938), (2249, 32260), (3226, 22490), (3460, 20969), (4498, 16130), (6452, 11245), (8065, 8996)]