8330920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 20779920

約数和(自身を除く): 12449000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 433, 481, 520, 740, 866, 962, 1480, 1732, 1924, 2165, 2405, 3464, 3848, 4330, 4810, 5629, 8660, 9620, 11258, 16021, 17320, 19240, 22516, 28145, 32042, 45032, 56290, 64084, 80105, 112580, 128168, 160210, 208273, 225160, 320420, 416546, 640840, 833092, 1041365, 1666184, 2082730, 4165460, 8330920]

約数ペア:

[(1, 8330920), (2, 4165460), (4, 2082730), (5, 1666184), (8, 1041365), (10, 833092), (13, 640840), (20, 416546), (26, 320420), (37, 225160), (40, 208273), (52, 160210), (65, 128168), (74, 112580), (104, 80105), (130, 64084), (148, 56290), (185, 45032), (260, 32042), (296, 28145), (370, 22516), (433, 19240), (481, 17320), (520, 16021), (740, 11258), (866, 9620), (962, 8660), (1480, 5629), (1732, 4810), (1924, 4330), (2165, 3848), (2405, 3464)]