25228720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28669}}^1$

素因数の和:28693

約数の個数: 40

約数和(自身を含む): 63991440

約数和(自身を除く): 38762720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28669, 57338, 114676, 143345, 229352, 286690, 315359, 458704, 573380, 630718, 1146760, 1261436, 1576795, 2293520, 2522872, 3153590, 5045744, 6307180, 12614360, 25228720]

約数ペア:

[(1, 25228720), (2, 12614360), (4, 6307180), (5, 5045744), (8, 3153590), (10, 2522872), (11, 2293520), (16, 1576795), (20, 1261436), (22, 1146760), (40, 630718), (44, 573380), (55, 458704), (80, 315359), (88, 286690), (110, 229352), (176, 143345), (220, 114676), (440, 57338), (880, 28669)]