63964280

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{6983}}^1$

素因数の和:7223

約数の個数: 32

約数和(自身を含む): 144568800

約数和(自身を除く): 80604520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 6983, 9160, 13966, 27932, 34915, 55864, 69830, 139660, 279320, 1599107, 3198214, 6396428, 7995535, 12792856, 15991070, 31982140, 63964280]

約数ペア:

[(1, 63964280), (2, 31982140), (4, 15991070), (5, 12792856), (8, 7995535), (10, 6396428), (20, 3198214), (40, 1599107), (229, 279320), (458, 139660), (916, 69830), (1145, 55864), (1832, 34915), (2290, 27932), (4580, 13966), (6983, 9160)]