1275508720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{201821}}^1$

素因数の和:201913

約数の個数: 40

約数和(自身を含む): 3003111360

約数和(自身を除く): 1727602640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 201821, 403642, 807284, 1009105, 1614568, 2018210, 3229136, 4036420, 8072840, 15943859, 16145680, 31887718, 63775436, 79719295, 127550872, 159438590, 255101744, 318877180, 637754360, 1275508720]

約数ペア:

[(1, 1275508720), (2, 637754360), (4, 318877180), (5, 255101744), (8, 159438590), (10, 127550872), (16, 79719295), (20, 63775436), (40, 31887718), (79, 16145680), (80, 15943859), (158, 8072840), (316, 4036420), (395, 3229136), (632, 2018210), (790, 1614568), (1264, 1009105), (1580, 807284), (3160, 403642), (6320, 201821)]