4195784405

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 5359219200

約数和(自身を除く): 1163434795

約数列:

[1, 5, 41, 71, 79, 89, 205, 355, 395, 445, 1681, 2911, 3239, 3649, 5609, 6319, 7031, 8405, 14555, 16195, 18245, 28045, 31595, 35155, 119351, 132799, 149609, 229969, 259079, 288271, 499201, 596755, 663995, 748045, 1149845, 1295395, 1441355, 2496005, 9428729, 10622239, 11819111, 20467241, 47143645, 53111195, 59095555, 102336205, 839156881, 4195784405]

約数ペア:

[(1, 4195784405), (5, 839156881), (41, 102336205), (71, 59095555), (79, 53111195), (89, 47143645), (205, 20467241), (355, 11819111), (395, 10622239), (445, 9428729), (1681, 2496005), (2911, 1441355), (3239, 1295395), (3649, 1149845), (5609, 748045), (6319, 663995), (7031, 596755), (8405, 499201), (14555, 288271), (16195, 259079), (18245, 229969), (28045, 149609), (31595, 132799), (35155, 119351)]