8164520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2243}}^1$

素因数の和:2274

約数の個数: 64

約数和(自身を含む): 22619520

約数和(自身を除く): 14455000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2243, 3640, 4486, 8972, 11215, 15701, 17944, 22430, 29159, 31402, 44860, 58318, 62804, 78505, 89720, 116636, 125608, 145795, 157010, 204113, 233272, 291590, 314020, 408226, 583180, 628040, 816452, 1020565, 1166360, 1632904, 2041130, 4082260, 8164520]

約数ペア:

[(1, 8164520), (2, 4082260), (4, 2041130), (5, 1632904), (7, 1166360), (8, 1020565), (10, 816452), (13, 628040), (14, 583180), (20, 408226), (26, 314020), (28, 291590), (35, 233272), (40, 204113), (52, 157010), (56, 145795), (65, 125608), (70, 116636), (91, 89720), (104, 78505), (130, 62804), (140, 58318), (182, 44860), (260, 31402), (280, 29159), (364, 22430), (455, 17944), (520, 15701), (728, 11215), (910, 8972), (1820, 4486), (2243, 3640)]