72448720

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4597}}^1$

素因数の和:4807

約数の個数: 40

約数和(自身を含む): 169335144

約数和(自身を除く): 96886424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4597, 7880, 9194, 15760, 18388, 22985, 36776, 45970, 73552, 91940, 183880, 367760, 905609, 1811218, 3622436, 4528045, 7244872, 9056090, 14489744, 18112180, 36224360, 72448720]

約数ペア:

[(1, 72448720), (2, 36224360), (4, 18112180), (5, 14489744), (8, 9056090), (10, 7244872), (16, 4528045), (20, 3622436), (40, 1811218), (80, 905609), (197, 367760), (394, 183880), (788, 91940), (985, 73552), (1576, 45970), (1970, 36776), (3152, 22985), (3940, 18388), (4597, 15760), (7880, 9194)]