8171940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19457}}^1$

素因数の和:19476

約数の個数: 48

約数和(自身を含む): 26151552

約数和(自身を除く): 17979612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19457, 38914, 58371, 77828, 97285, 116742, 136199, 194570, 233484, 272398, 291855, 389140, 408597, 544796, 583710, 680995, 817194, 1167420, 1361990, 1634388, 2042985, 2723980, 4085970, 8171940]

約数ペア:

[(1, 8171940), (2, 4085970), (3, 2723980), (4, 2042985), (5, 1634388), (6, 1361990), (7, 1167420), (10, 817194), (12, 680995), (14, 583710), (15, 544796), (20, 408597), (21, 389140), (28, 291855), (30, 272398), (35, 233484), (42, 194570), (60, 136199), (70, 116742), (84, 97285), (105, 77828), (140, 58371), (210, 38914), (420, 19457)]