25576040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13049}}^1$

素因数の和:13074

約数の個数: 48

約数和(自身を含む): 66946500

約数和(自身を除く): 41370460

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, 13049, 26098, 52196, 65245, 91343, 104392, 130490, 182686, 260980, 365372, 456715, 521960, 639401, 730744, 913430, 1278802, 1826860, 2557604, 3197005, 3653720, 5115208, 6394010, 12788020, 25576040]

約数ペア:

[(1, 25576040), (2, 12788020), (4, 6394010), (5, 5115208), (7, 3653720), (8, 3197005), (10, 2557604), (14, 1826860), (20, 1278802), (28, 913430), (35, 730744), (40, 639401), (49, 521960), (56, 456715), (70, 365372), (98, 260980), (140, 182686), (196, 130490), (245, 104392), (280, 91343), (392, 65245), (490, 52196), (980, 26098), (1960, 13049)]