25228980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20023}}^1$

素因数の和:20045

約数の個数: 72

約数和(自身を含む): 87464832

約数和(自身を除く): 62235852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20023, 40046, 60069, 80092, 100115, 120138, 140161, 180207, 200230, 240276, 280322, 300345, 360414, 400460, 420483, 560644, 600690, 700805, 720828, 840966, 901035, 1201380, 1261449, 1401610, 1681932, 1802070, 2102415, 2522898, 2803220, 3604140, 4204830, 5045796, 6307245, 8409660, 12614490, 25228980]

約数ペア:

[(1, 25228980), (2, 12614490), (3, 8409660), (4, 6307245), (5, 5045796), (6, 4204830), (7, 3604140), (9, 2803220), (10, 2522898), (12, 2102415), (14, 1802070), (15, 1681932), (18, 1401610), (20, 1261449), (21, 1201380), (28, 901035), (30, 840966), (35, 720828), (36, 700805), (42, 600690), (45, 560644), (60, 420483), (63, 400460), (70, 360414), (84, 300345), (90, 280322), (105, 240276), (126, 200230), (140, 180207), (180, 140161), (210, 120138), (252, 100115), (315, 80092), (420, 60069), (630, 40046), (1260, 20023)]