28248020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 62052480

約数和(自身を除く): 33804460

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 590, 647, 740, 1180, 1294, 2183, 2588, 3235, 4366, 6470, 8732, 10915, 12940, 21830, 23939, 38173, 43660, 47878, 76346, 95756, 119695, 152692, 190865, 239390, 381730, 478780, 763460, 1412401, 2824802, 5649604, 7062005, 14124010, 28248020]

約数ペア:

[(1, 28248020), (2, 14124010), (4, 7062005), (5, 5649604), (10, 2824802), (20, 1412401), (37, 763460), (59, 478780), (74, 381730), (118, 239390), (148, 190865), (185, 152692), (236, 119695), (295, 95756), (370, 76346), (590, 47878), (647, 43660), (740, 38173), (1180, 23939), (1294, 21830), (2183, 12940), (2588, 10915), (3235, 8732), (4366, 6470)]