87879820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3851}}^1$

素因数の和:4030

約数の個数: 48

約数和(自身を含む): 212260608

約数和(自身を除く): 124380788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 3851, 4564, 5705, 7702, 11410, 15404, 19255, 22820, 26957, 38510, 53914, 77020, 107828, 134785, 269570, 539140, 627713, 1255426, 2510852, 3138565, 4393991, 6277130, 8787982, 12554260, 17575964, 21969955, 43939910, 87879820]

約数ペア:

[(1, 87879820), (2, 43939910), (4, 21969955), (5, 17575964), (7, 12554260), (10, 8787982), (14, 6277130), (20, 4393991), (28, 3138565), (35, 2510852), (70, 1255426), (140, 627713), (163, 539140), (326, 269570), (652, 134785), (815, 107828), (1141, 77020), (1630, 53914), (2282, 38510), (3260, 26957), (3851, 22820), (4564, 19255), (5705, 15404), (7702, 11410)]