2015543920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{52379}}^1$

素因数の和:52442

約数の個数: 80

約数和(自身を含む): 5183105760

約数和(自身を除く): 3167561840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 38480, 52379, 104758, 209516, 261895, 419032, 523790, 680927, 838064, 1047580, 1361854, 1938023, 2095160, 2723708, 3404635, 3876046, 4190320, 5447416, 6809270, 7752092, 9690115, 10894832, 13618540, 15504184, 19380230, 25194299, 27237080, 31008368, 38760460, 50388598, 54474160, 77520920, 100777196, 125971495, 155041840, 201554392, 251942990, 403108784, 503885980, 1007771960, 2015543920]

約数ペア:

[(1, 2015543920), (2, 1007771960), (4, 503885980), (5, 403108784), (8, 251942990), (10, 201554392), (13, 155041840), (16, 125971495), (20, 100777196), (26, 77520920), (37, 54474160), (40, 50388598), (52, 38760460), (65, 31008368), (74, 27237080), (80, 25194299), (104, 19380230), (130, 15504184), (148, 13618540), (185, 10894832), (208, 9690115), (260, 7752092), (296, 6809270), (370, 5447416), (481, 4190320), (520, 3876046), (592, 3404635), (740, 2723708), (962, 2095160), (1040, 1938023), (1480, 1361854), (1924, 1047580), (2405, 838064), (2960, 680927), (3848, 523790), (4810, 419032), (7696, 261895), (9620, 209516), (19240, 104758), (38480, 52379)]