64436980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4583}}^1$

素因数の和:4648

約数の個数: 48

約数和(自身を含む): 146321280

約数和(自身を除く): 81884300

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 4583, 7030, 9166, 14060, 18332, 22915, 45830, 87077, 91660, 169571, 174154, 339142, 348308, 435385, 678284, 847855, 870770, 1695710, 1741540, 3221849, 3391420, 6443698, 12887396, 16109245, 32218490, 64436980]

約数ペア:

[(1, 64436980), (2, 32218490), (4, 16109245), (5, 12887396), (10, 6443698), (19, 3391420), (20, 3221849), (37, 1741540), (38, 1695710), (74, 870770), (76, 847855), (95, 678284), (148, 435385), (185, 348308), (190, 339142), (370, 174154), (380, 169571), (703, 91660), (740, 87077), (1406, 45830), (2812, 22915), (3515, 18332), (4583, 14060), (7030, 9166)]