890657560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{9463}}^1$

素因数の和:9668

約数の個数: 64

約数和(自身を含む): 2170284480

約数和(自身を除く): 1279626920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 520, 724, 905, 1448, 1810, 2353, 3620, 4706, 7240, 9412, 9463, 11765, 18824, 18926, 23530, 37852, 47060, 47315, 75704, 94120, 94630, 123019, 189260, 246038, 378520, 492076, 615095, 984152, 1230190, 1712803, 2460380, 3425606, 4920760, 6851212, 8564015, 13702424, 17128030, 22266439, 34256060, 44532878, 68512120, 89065756, 111332195, 178131512, 222664390, 445328780, 890657560]

約数ペア:

[(1, 890657560), (2, 445328780), (4, 222664390), (5, 178131512), (8, 111332195), (10, 89065756), (13, 68512120), (20, 44532878), (26, 34256060), (40, 22266439), (52, 17128030), (65, 13702424), (104, 8564015), (130, 6851212), (181, 4920760), (260, 3425606), (362, 2460380), (520, 1712803), (724, 1230190), (905, 984152), (1448, 615095), (1810, 492076), (2353, 378520), (3620, 246038), (4706, 189260), (7240, 123019), (9412, 94630), (9463, 94120), (11765, 75704), (18824, 47315), (18926, 47060), (23530, 37852)]