80519320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12503}}^1$

素因数の和:12544

約数の個数: 64

約数和(自身を含む): 216069120

約数和(自身を除く): 135549800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12503, 25006, 50012, 62515, 87521, 100024, 125030, 175042, 250060, 287569, 350084, 437605, 500120, 575138, 700168, 875210, 1150276, 1437845, 1750420, 2012983, 2300552, 2875690, 3500840, 4025966, 5751380, 8051932, 10064915, 11502760, 16103864, 20129830, 40259660, 80519320]

約数ペア:

[(1, 80519320), (2, 40259660), (4, 20129830), (5, 16103864), (7, 11502760), (8, 10064915), (10, 8051932), (14, 5751380), (20, 4025966), (23, 3500840), (28, 2875690), (35, 2300552), (40, 2012983), (46, 1750420), (56, 1437845), (70, 1150276), (92, 875210), (115, 700168), (140, 575138), (161, 500120), (184, 437605), (230, 350084), (280, 287569), (322, 250060), (460, 175042), (644, 125030), (805, 100024), (920, 87521), (1288, 62515), (1610, 50012), (3220, 25006), (6440, 12503)]