28341560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54503}}^1$

素因数の和:54527

約数の個数: 32

約数和(自身を含む): 68675040

約数和(自身を除く): 40333480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 54503, 109006, 218012, 272515, 436024, 545030, 708539, 1090060, 1417078, 2180120, 2834156, 3542695, 5668312, 7085390, 14170780, 28341560]

約数ペア:

[(1, 28341560), (2, 14170780), (4, 7085390), (5, 5668312), (8, 3542695), (10, 2834156), (13, 2180120), (20, 1417078), (26, 1090060), (40, 708539), (52, 545030), (65, 436024), (104, 272515), (130, 218012), (260, 109006), (520, 54503)]