56421560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108503}}^1$

素因数の和:108527

約数の個数: 32

約数和(自身を含む): 136715040

約数和(自身を除く): 80293480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108503, 217006, 434012, 542515, 868024, 1085030, 1410539, 2170060, 2821078, 4340120, 5642156, 7052695, 11284312, 14105390, 28210780, 56421560]

約数ペア:

[(1, 56421560), (2, 28210780), (4, 14105390), (5, 11284312), (8, 7052695), (10, 5642156), (13, 4340120), (20, 2821078), (26, 2170060), (40, 1410539), (52, 1085030), (65, 868024), (104, 542515), (130, 434012), (260, 217006), (520, 108503)]