12807320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13921}}^1$

素因数の和:13955

約数の個数: 32

約数和(自身を含む): 30071520

約数和(自身を除く): 17264200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 13921, 27842, 55684, 69605, 111368, 139210, 278420, 320183, 556840, 640366, 1280732, 1600915, 2561464, 3201830, 6403660, 12807320]

約数ペア:

[(1, 12807320), (2, 6403660), (4, 3201830), (5, 2561464), (8, 1600915), (10, 1280732), (20, 640366), (23, 556840), (40, 320183), (46, 278420), (92, 139210), (115, 111368), (184, 69605), (230, 55684), (460, 27842), (920, 13921)]