15465680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 36346632

約数和(自身を除く): 20880952

約数列:

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

約数ペア:

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