131174320

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9059}}^1$

素因数の和:9253

約数の個数: 40

約数和(自身を含む): 306699120

約数和(自身を除く): 175524800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 9059, 14480, 18118, 36236, 45295, 72472, 90590, 144944, 181180, 362360, 724720, 1639679, 3279358, 6558716, 8198395, 13117432, 16396790, 26234864, 32793580, 65587160, 131174320]

約数ペア:

[(1, 131174320), (2, 65587160), (4, 32793580), (5, 26234864), (8, 16396790), (10, 13117432), (16, 8198395), (20, 6558716), (40, 3279358), (80, 1639679), (181, 724720), (362, 362360), (724, 181180), (905, 144944), (1448, 90590), (1810, 72472), (2896, 45295), (3620, 36236), (7240, 18118), (9059, 14480)]