71389520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14629}}^1$

素因数の和:14703

約数の個数: 40

約数和(自身を含む): 168713160

約数和(自身を除く): 97323640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 14629, 29258, 58516, 73145, 117032, 146290, 234064, 292580, 585160, 892369, 1170320, 1784738, 3569476, 4461845, 7138952, 8923690, 14277904, 17847380, 35694760, 71389520]

約数ペア:

[(1, 71389520), (2, 35694760), (4, 17847380), (5, 14277904), (8, 8923690), (10, 7138952), (16, 4461845), (20, 3569476), (40, 1784738), (61, 1170320), (80, 892369), (122, 585160), (244, 292580), (305, 234064), (488, 146290), (610, 117032), (976, 73145), (1220, 58516), (2440, 29258), (4880, 14629)]