7938580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 18910080

約数和(自身を除く): 10971500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1607, 2470, 3214, 4940, 6428, 8035, 16070, 20891, 30533, 32140, 41782, 61066, 83564, 104455, 122132, 152665, 208910, 305330, 396929, 417820, 610660, 793858, 1587716, 1984645, 3969290, 7938580]

約数ペア:

[(1, 7938580), (2, 3969290), (4, 1984645), (5, 1587716), (10, 793858), (13, 610660), (19, 417820), (20, 396929), (26, 305330), (38, 208910), (52, 152665), (65, 122132), (76, 104455), (95, 83564), (130, 61066), (190, 41782), (247, 32140), (260, 30533), (380, 20891), (494, 16070), (988, 8035), (1235, 6428), (1607, 4940), (2470, 3214)]