40038800

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:720

約数の個数: 60

約数和(自身を含む): 96868800

約数和(自身を除く): 56830000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 503, 796, 995, 1006, 1592, 1990, 2012, 2515, 3184, 3980, 4024, 4975, 5030, 7960, 8048, 9950, 10060, 12575, 15920, 19900, 20120, 25150, 39800, 40240, 50300, 79600, 100097, 100600, 200194, 201200, 400388, 500485, 800776, 1000970, 1601552, 2001940, 2502425, 4003880, 5004850, 8007760, 10009700, 20019400, 40038800]

約数ペア:

[(1, 40038800), (2, 20019400), (4, 10009700), (5, 8007760), (8, 5004850), (10, 4003880), (16, 2502425), (20, 2001940), (25, 1601552), (40, 1000970), (50, 800776), (80, 500485), (100, 400388), (199, 201200), (200, 200194), (398, 100600), (400, 100097), (503, 79600), (796, 50300), (995, 40240), (1006, 39800), (1592, 25150), (1990, 20120), (2012, 19900), (2515, 15920), (3184, 12575), (3980, 10060), (4024, 9950), (4975, 8048), (5030, 7960)]