30931360

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2105

約数の個数: 48

約数和(自身を含む): 73865736

約数和(自身を除く): 42934376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 1993, 3104, 3880, 3986, 7760, 7972, 9965, 15520, 15944, 19930, 31888, 39860, 63776, 79720, 159440, 193321, 318880, 386642, 773284, 966605, 1546568, 1933210, 3093136, 3866420, 6186272, 7732840, 15465680, 30931360]

約数ペア:

[(1, 30931360), (2, 15465680), (4, 7732840), (5, 6186272), (8, 3866420), (10, 3093136), (16, 1933210), (20, 1546568), (32, 966605), (40, 773284), (80, 386642), (97, 318880), (160, 193321), (194, 159440), (388, 79720), (485, 63776), (776, 39860), (970, 31888), (1552, 19930), (1940, 15944), (1993, 15520), (3104, 9965), (3880, 7972), (3986, 7760)]