40000002850

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{171637}}^1$

素因数の和:171787

約数の個数: 48

約数和(自身を含む): 76619203200

約数和(自身を除く): 36619200350

約数列:

[1, 2, 5, 10, 25, 50, 59, 79, 118, 158, 295, 395, 590, 790, 1475, 1975, 2950, 3950, 4661, 9322, 23305, 46610, 116525, 171637, 233050, 343274, 858185, 1716370, 4290925, 8581850, 10126583, 13559323, 20253166, 27118646, 50632915, 67796615, 101265830, 135593230, 253164575, 338983075, 506329150, 677966150, 800000057, 1600000114, 4000000285, 8000000570, 20000001425, 40000002850]

約数ペア:

[(1, 40000002850), (2, 20000001425), (5, 8000000570), (10, 4000000285), (25, 1600000114), (50, 800000057), (59, 677966150), (79, 506329150), (118, 338983075), (158, 253164575), (295, 135593230), (395, 101265830), (590, 67796615), (790, 50632915), (1475, 27118646), (1975, 20253166), (2950, 13559323), (3950, 10126583), (4661, 8581850), (9322, 4290925), (23305, 1716370), (46610, 858185), (116525, 343274), (171637, 233050)]