128862880

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3517}}^1$

素因数の和:3761

約数の個数: 48

約数和(自身を含む): 305854920

約数和(自身を除く): 176992040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 916, 1145, 1832, 2290, 3517, 3664, 4580, 7034, 7328, 9160, 14068, 17585, 18320, 28136, 35170, 36640, 56272, 70340, 112544, 140680, 281360, 562720, 805393, 1610786, 3221572, 4026965, 6443144, 8053930, 12886288, 16107860, 25772576, 32215720, 64431440, 128862880]

約数ペア:

[(1, 128862880), (2, 64431440), (4, 32215720), (5, 25772576), (8, 16107860), (10, 12886288), (16, 8053930), (20, 6443144), (32, 4026965), (40, 3221572), (80, 1610786), (160, 805393), (229, 562720), (458, 281360), (916, 140680), (1145, 112544), (1832, 70340), (2290, 56272), (3517, 36640), (3664, 35170), (4580, 28136), (7034, 18320), (7328, 17585), (9160, 14068)]