2199985840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2115371}}^1$

素因数の和:2115397

約数の個数: 40

約数和(自身を含む): 5508428688

約数和(自身を除く): 3308442848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2115371, 4230742, 8461484, 10576855, 16922968, 21153710, 27499823, 33845936, 42307420, 54999646, 84614840, 109999292, 137499115, 169229680, 219998584, 274998230, 439997168, 549996460, 1099992920, 2199985840]

約数ペア:

[(1, 2199985840), (2, 1099992920), (4, 549996460), (5, 439997168), (8, 274998230), (10, 219998584), (13, 169229680), (16, 137499115), (20, 109999292), (26, 84614840), (40, 54999646), (52, 42307420), (65, 33845936), (80, 27499823), (104, 21153710), (130, 16922968), (208, 10576855), (260, 8461484), (520, 4230742), (1040, 2115371)]