25086040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{12799}}^1$

素因数の和:12824

約数の個数: 48

約数和(自身を含む): 65664000

約数和(自身を除く): 40577960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 12799, 25598, 51196, 63995, 89593, 102392, 127990, 179186, 255980, 358372, 447965, 511960, 627151, 716744, 895930, 1254302, 1791860, 2508604, 3135755, 3583720, 5017208, 6271510, 12543020, 25086040]

約数ペア:

[(1, 25086040), (2, 12543020), (4, 6271510), (5, 5017208), (7, 3583720), (8, 3135755), (10, 2508604), (14, 1791860), (20, 1254302), (28, 895930), (35, 716744), (40, 627151), (49, 511960), (56, 447965), (70, 358372), (98, 255980), (140, 179186), (196, 127990), (245, 102392), (280, 89593), (392, 63995), (490, 51196), (980, 25598), (1960, 12799)]