8400268720

素因数分解:

$2^4\times 5^1\times {\mathrm{3761}}^1\times {\mathrm{27919}}^1$

素因数の和:31693

約数の個数: 40

約数和(自身を含む): 19536517440

約数和(自身を除く): 11136248720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3761, 7522, 15044, 18805, 27919, 30088, 37610, 55838, 60176, 75220, 111676, 139595, 150440, 223352, 279190, 300880, 446704, 558380, 1116760, 2233520, 105003359, 210006718, 420013436, 525016795, 840026872, 1050033590, 1680053744, 2100067180, 4200134360, 8400268720]

約数ペア:

[(1, 8400268720), (2, 4200134360), (4, 2100067180), (5, 1680053744), (8, 1050033590), (10, 840026872), (16, 525016795), (20, 420013436), (40, 210006718), (80, 105003359), (3761, 2233520), (7522, 1116760), (15044, 558380), (18805, 446704), (27919, 300880), (30088, 279190), (37610, 223352), (55838, 150440), (60176, 139595), (75220, 111676)]