331360720

素因数分解:

$2^4\times 5^1\times {\mathrm{797}}^1\times {\mathrm{5197}}^1$

素因数の和:6007

約数の個数: 40

約数和(自身を含む): 771528744

約数和(自身を除く): 440168024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 797, 1594, 3188, 3985, 5197, 6376, 7970, 10394, 12752, 15940, 20788, 25985, 31880, 41576, 51970, 63760, 83152, 103940, 207880, 415760, 4142009, 8284018, 16568036, 20710045, 33136072, 41420090, 66272144, 82840180, 165680360, 331360720]

約数ペア:

[(1, 331360720), (2, 165680360), (4, 82840180), (5, 66272144), (8, 41420090), (10, 33136072), (16, 20710045), (20, 16568036), (40, 8284018), (80, 4142009), (797, 415760), (1594, 207880), (3188, 103940), (3985, 83152), (5197, 63760), (6376, 51970), (7970, 41576), (10394, 31880), (12752, 25985), (15940, 20788)]