28680340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 66269952

約数和(自身を除く): 37589612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2347, 2444, 3055, 4694, 6110, 9388, 11735, 12220, 23470, 30511, 46940, 61022, 110309, 122044, 152555, 220618, 305110, 441236, 551545, 610220, 1103090, 1434017, 2206180, 2868034, 5736068, 7170085, 14340170, 28680340]

約数ペア:

[(1, 28680340), (2, 14340170), (4, 7170085), (5, 5736068), (10, 2868034), (13, 2206180), (20, 1434017), (26, 1103090), (47, 610220), (52, 551545), (65, 441236), (94, 305110), (130, 220618), (188, 152555), (235, 122044), (260, 110309), (470, 61022), (611, 46940), (940, 30511), (1222, 23470), (2347, 12220), (2444, 11735), (3055, 9388), (4694, 6110)]